- -:-( Punk Rocker !-( Black Eye ## waffles - or so Eenie says :D #( Lips are sealed #-) Dead / Partied ALL Night #:-) From a person with matted hair #:-0 Ahhhhhhhhhhhhhhhhh #:o+= Betty Boob $-) I'm a yuppie / Lotto fever / Won the Lottery $_$ Ooh...money... $ex Sex [Ususally used by deprived individuals to get around swear kickers] %-) At keyboard 12 hours / Cross-eyed, silly / Stared too long at a monitor %*@:-( Hung Over %-^) Picasso %+{ Lost A Fight %+| Beaten Up %-6 Braindead &&&& Pretzels &-( Crying &:-) Curly hair ( o ) ( o ) Hooters (( )):** Hugs and Kisses (((((name)))) Hug (cyber hug) (-) Needs a Haircut (.)(.) Ms. Dos (: (=| Wearing a Ghost Costume (-: I'm a lefty / User is left-handed (:-$ Ill (:-) Bald Guy (:)-) Scuba Diving (:-* Kissing (:-... Broken Heart (::()::) Bandaide (-::-) Siamese Twins (-:|:-) We're siamese twins (:=) Two Noses (:>-< Thief (:-D Blabber Mouth (:-I Egghead (@@) You're kidding (_) Mug (coffee, beer) (-_-) Secret smile (00) Pulling a Mooner (8-) Gorilla / Wearing (sun) glasses / Oh boy! Used to denote wide-eyed look ( with a smile ?). (International Telephone And Telegraph Consultative Commitee) (O--< A fishy message... -) Always Wear Safety Glasses -):......... I'm dyslexic ):-P :-P with a forehead *!#*!^*&:-) A Schizophrenic *-( A Cyclops Poked in the Eye *-) Shot Dead / Stoned **** Popcorn ****:-) I look like Marge Simpson *:* Fuzzy *:o) Bozo the Clown *_* Not well/dizzy *<:-) Santa Claus *<:-)( Santa Claus *8-) Beaker (The Muppet) *eg* Evil grin *g* Grin *gbh&k* Great big hug & kiss *gbh* Great big hug *gr&d* Grinning, running, & ducking *h* Hug *hb* Hug back *k* Kiss *kb* Kiss back *L* Blotto / Laugh *li* Laughing inside *lis* Laughing in silence *lol* Laugh out loud *rofl* Roll on floor laughing *s* Smile *sb* Smiles back *tic* Tongue in cheek *veg* Very evil grin *ves* Very evil smile *vwg* Very wicked grin *vws* Very wicked smile *w* Wink *wg* Wicked grin .-) Keeping an eye out / One Eyed ..---... SOS .\/ Duck ...---... S.O.S. .^) Side View /:-) French /:-| Mr. Spock : };^)' Lil devil :' Crying :-! Foot in Mouth / A smoker / Smoking :-" Pursed Lips :-# Fat Lip / Lips are Sealed / Message concerning something that shouldn't have been said... / Moustache / Mum's the word, censored, not talking, shouldn't have said that :-$ Ill as in sick / Money talks :-& Person is angry... / Tongue Tied :& Tounge tied :-||Angry :( A frown, something's sad :( ) Can't Stop Talking :-( ) You Just Backed Your Car Over My Toe :-( A frown, something's sad :'-( Crying Sadly :( Frown :-( Frown (anger or displeasure) :'-( I'm crying :-( I'm sad -:-( Punk rocker (real punk rockers don't smile) :-( Sad or disappointed face :'-( User is crying :-(#) Wearing Braces (teeth) :-(( Very Sad :-() Big mouth (User has rambled on) / Stubbed my toe / Talking :-(=) Person has big teeth :-(=:- Impotent :-) )-: Masking theatrical comments :'-) [Crying for Joy] :) A smile, don't take it seriously :-) a smiley face (seen sideways) (used to show humor/sarcasm -indicates- don't take a joke the wrong way) :'-) Crying with Joy :-)' Drooling or Dribbling :'''-) Floods of Tears :- Male :-') Has a Cold :-) I'm happy -:-) Punk :) Smiling, happy faces; don't take me too seriously :-) Smiling, happy faces; don't take me too seriously :'-) User is so happy s/he is crying :-)) Very Happy / I have a double-chin :-))) Laughing or Double Chin :-)... I'm drooling :)~ Drool :-)= Vampire :-)> Bearded :-)-8 Big Girl :-)K Bow tie :-)X Bow Tie :-)Z Bow tie :* Kiss :-* Kiss / Puckering for a kiss / Sorry, I didn't want to say that :*) Clowning around / Drunk :-*) Has a Cold :*) I have a pimple on my nose :.-( Weeping :.-) Laughing Tears :.) Small-skewed-button-nosed smiley :-...( I have a runny nose :/ Chagrin / Hmmmmmmm / Not too happy about the situation, frown / / Perplexed or Skeptical / Undecided :-/ Hmmmmmmm / Not too happy about the situation, frown / Perplexed or Skeptical / Undecided ::-) Wearing Glasses :-? Smokes a pipe :-@ Confused, ill / I'm swearing a blue streak / Screaming :@ What? :-@; Screaming :-\ Undecided :-] Vampire :^) From a person with a large nose / Broken Nose / Smiley with a nose :`( Crying :-{ Moustache :-{#} From a person with braces :-{) Moustache :{) Smile, with moustache :-{| A Mustache'd person.. :-{} Blowing a Kiss / Wears Lipstick / I have a big mouth :-| Ambivalent or Expressionless / I'm frowning / Indifference / Monkey :| when you've wiped that sh*t eatin grin off your face :-|< Vampire :-|K- Formal message. :-} Wry smile :~( Weeping :~/ Mixed Up :+) Large Nose :-< Sad / Vampire :<) Moustache :-> Devilish Grin (heavy sarcasm) / Ironic or devious smile / Sarcastic :> Smiling, happy faces; don't take me too seriously :-0 Shocked :-3 Has Eaten a Lemon :-6 Exhausted, Wiped Out / Sour Taste in Mouth :-7 User just made a wry statement / Wry Smile :8) Pig :-9 Delicious, Yummy / Licking Lips / Tasty :-B I have buck teeth / Tongue stuck out :-C Bummed Out / Pout / Very Unhappy / Jaw hit Floor / Very sad or unhappy :c) Pig headed :D Laughing out loud / Licking mouth :-d Tasty :D Wider happy face (or Mistrel singers) :-D Wider happy face (or Mistrel singers) / Big smile, or laughing / Shock or Surprise :-e Disappointment / :-E Vampire :-I Indifferent / :-i Smoker :-II Angry :-j Smoker Smiling / :-J Tongue in cheek :-M Speak no evil :-o "Oh, nooooooo!" (a la Mr. Bill) / I'm yelling/shocked / :-O Big mouth, or talks a lot, or screaming or Mouth Open (Surprised) /:-o Oh Noooo! :O Shocked :-o Shouting / :-O Shouting loudly :O Yell :o) Boxer's Nose :P Disgusted (sticking out tongue) :-p Tongue in Cheek / Tongue stuck out / Wry Smile / :-P Disgusted (sticking out tongue) :-Q Smoking / :q Sticking out tongue / Tongue in Cheek / Tongue stuck out / Wry Smile :-r Tongue stuck out :-ss drools or has a cold :-t Cross / :-T Tight Lipped / Trying to keep a straight face :-V Shouting / :-v Speaking :-w Speaks with Forked Tongue :-x kiss / No comment or User's lips are sealed / :-X Kiss/ Mum's the word, censored, not talking, shouldn't have said that / Mute :-x} Kissing :-Z Sleeping ;-( A wink ;-) a winking smiley face [for more subtle humor] / Wink (light sarcasm) / Also part of the ichat logo ;) Winking happy faces (something said tongue-in-cheek) ;-)} Corporate-type guy (see the necktie?) ;-)=) Grin ;-; Weeping ;-} Leer ;-> Devilish Wink ;> Winking happy faces (something said tongue-in-cheek) ?-( Black eye ?-) Sorry, I don't know what went wrong ?_? Confused @ What? / @ @) Your Joking? @--)--)(-- Rose @*&$!% You know what that means... @:-) From a person with wavy hair / Arab / East Indian @-@ Looking innocent(not sure) @[_]~~ Mug of HOT Coffee or Tea @= Mushroom cloud @>--,--- A rose @->-->-- A rose @>--->---- A rose. @->-->--> A rose [:-) Wearing Headphones [:-] Robot [:] Robot :] Friendly, Gleep [:-I] Robot [] Hug [TM] Trademark \:-) French Hat \_/ Glass (drink) \~/ Full Glass \-o Bored ]:-) The Devil ^ Thumbs Up ^)^ ^(^ Two People Talking ^^ Smiley (not sideways) ^-^ Smiley (not sideways) ^-^; Sweatdrop on side (nervous) ^_- Wink (not sideways) ^5 High Five ^L^ Happy -_- Closed eyes ;( _:^) American Indian _o-) Aquanaut {(:-) Wearing a toupee {:-) Wig {:V Duck {} Hug or No comment | -) I'm sleeping |-( Late night messages |-) Beaming, or happy dreams / Sleeping |:-) Bushy/Heavy Eyebrows ) Cheshire Cat |:[' Groucho Marx |I Asleep |:-| Excessively Rigid |-] Robocop |^o Snoring |-{ Good Grief || Car ||* Handshake ||*( Handshake offered ||*) Handshake accepted |-0 Yawning |C| Can of Coke |-I Asleep / sleeping |-O Yawning / Snoring / Birth |P| Can of Pepsi }-& Angry }:-( Bull Headed }:-) Mean grin (with eyebrows) }:-< Cat }}\/=oo---oo Crash! Lorry after a Crash ~ :-( Particularly Angry ~:-( Net.Flame '~;E Unspecified 4-Legged Critter ~~:-[ I'm flaming mad ~~\8-O Needs to Fix Frayed Cord on Computer ~~~\8-O Zapped by Frayed Cord on Computer ~~~~~8} Snake ~~~c___ Beach ~= Candle ~== Flame Follows ~M`'~ Camel +-(:-) Religious Leader +-:-) Religious official, or holds religious office +<:-) Religious official, or holds religious office / Catholic priest +<:-| Nun/Monk +<||-) Knight +O:-) Pope @= Message About Nyclear War <:-) Dumb Question / I'm a dunce <:-> Devilish <:>== A turkey <:-I Dunce <|-) Chinese Evil grin BIG GRIN / small grin Grinning, ducking & running BIG SMILE / small smile Very big grin very evil grin =#:-) Wizard =) Variation on a Theme =:-) Hosehead / I just got a mohawk / Shocked =] smiley for the alternative type person =|:-)= Uncle Sam =P~ Sticking your tongue out >- Female >-& Angry >:-( Angry / Frown or Upset or annoyed >:-) Evil Grin / I'm in a devilish mood 0:-) Angel / Saint / Smile with Halo 1.0E6 a million [as in TNX 1.0E6] 1^o Snoring 100 Nature Calls/Pit Stop 12x--<---@ A Dozen Roses 12x---<---@ A Dozen Roses 1GL First General Language 1NF First Normal Form 20 Location 2B|^2B Message about Shakespeare 2D Two Dimensional 2GL Second Generation Language 2NF Second Normal Form 2nite tonight 2U2 to you too 3:-) Cow / 3 :-) Bart Simpson 3:[ Mean Pet Smiley 3:] Pet Smiley 3:o[ Net.Pets 3ACC 3A Central Control 3D Three Dimensional 3DA Three Dimensional Architecture 3DMF Three Dimensional Metafile Format 3GL Third Generation Language 3M Minnesota Mining and Manufacturing 3NF Third Normal Form 3WC 3-Way Calling 404 I have no clue (what you get when you enter a wrong URL) 4GL Fourth Generation Language 4NF Fourth Normal Form 5:-) Elvis 5NF Fifth Normal Form 5XBCOER 5 X-bar Central Office Equipment Reports system 6DOF Six Degrees Of Freedom 7:-) Fred Flintstone 8 Infinity 7:) Ronald Reagan 73 Best Regards 8(:-) Walt Disney [] Hugs 8) Frog 8-) Gorilla / Wearing (sun) glasses / Oh boy! Used to denote wide-eyed look ( with a smile ?). 8:-) Little Girl 8^{~< Hair Line, Glasses, Moustache, and Goatee 8-{)} Glasses, Moustache and a Beard 88 Love and Kisses A Ampere A&SG Accessories and Supplies Group A/C Air Conditioning / Alternating Current A/D Analog to Digital AA (modem) Auto Answer / Alcoholics Anonymous / Application Association / Associate Advisor / Automatic Adjust AAA Aces of ANSI Art / Travel club AAAAA American Association Against Acronym Abuse / Travel club for alcoholics AAD Analog Alignment Diskette AAFES Army and Air Force Exchange Service AAITP Amdahl Australian Intelligent Tools Program AAK Asleep At Keyboard AAL ATM Adaptation Layer (protocol 1, 2, 3, 4, 5) AAMOF As a matter of fact AAMVANET American Association of Motor Vehicle Administrators N AAR Automatic Alternate Routing AARNET Australian Academic Research Network AARP AppleTalk Address Resolution Protocol AAUI Apple Attachment Unit Interface AAX Automated Attendant Exchange AB ABort session AB2 Anarchy Burger ][ ABA American Bankers Association / American Bar Association ABATS Automated Bit Access Test System ABBA Anti-Big Brother Association (usually as aBBa) ABBS Apple Bulletin Board System ABC Activity Based Costing / Atanasoff-Berry Computer ABE Agent Building Environment ABEC Aracda Backup Executive Agent ABEX America Online Business Exchange ABHC Average Busy Hour Calls ABHPC Advisory Body on High Performance Computing ABIOS Advanced Basic Input / Output System ABM Asynchronous Balanced Mode ABME Asynchronous Balanced Mode Extended ABP Alternate BiPolar / Available Bit Rate ABRC Advisory Board for the Research Councils ABS Alternative Billing Service ABSBH Average Busy Season Busy Hour ABT ABort Timer / Answer Back Tone ABU Application Business Unit AC Alternating Current / Access Control / AC Acoustic Coupler / AC Air Conditioning / AC Alignment Check / AC Application Context / AC Association Control ACA Automatic Circuit Assurance ACARB Australian Computer Abuse Research Bureau ACB Annoyance Call Bureau / Automatic Call-Back ACBH Average Consistent Busy Hour ACC Audio Communications Controller ACCE Award for Call Center Excellence ACCOLC Access Overload Class ACCS Automated Calling Card Service ACD Access Control Definition / Adaptive Call Distributor / Automatic Call Distributor ACDA Automatic Call Disposition Analyzer ACDF Access Control Decision Function ACDI Asynchronous Communication Device Interface ACE Advanced Computing Environment / Adverse Channel Enhancement / American Council on Education / ACE Ansi Creation Enterprise / ACE Automatic Calling Equipment ACEF Access Control Enforcement Function ACET Advisory Committee on Electronics and Telecommunicatio ACF Advanced Communication Function ACF/NCP Advanced Communications Function / Network Control Pro ACF/TCAM Advanced Communications Function / TeleCommunications ACF/VTAM Advanced Communications Function / Virtual Telecommuni ACF/VTAME Advanced Communications Function / Virtual Telecommuni ACH Attempt per Circuit per Hour ACI Access Control Information ACID ANSI Creators in Demand (usually ACiD) / Atomic/Consistent/Isolated/Durable (test) AcidGurl A cute innocent desireable girl ACK ACKnowledge (ASCII) / Acknowledgement ACL Access Control List / Advanced CMOS Logic / Association for Computational Linguistics ACM Address Complete Message / Association for Computing Machinery ACMS Application Control Management System ACN Advisory Committee on Networking / Area Code Number ACOF Attendant Control Of Facilities ACP Access Control Points / Action Point / Allied Communications Publication / Ancillary Control Program ACPI Advanced Configuration and Power Interface ACPM Association Control Protocol Machine ACR Abandon Call and Retry ACRONYM Abbreviated Coded Rendition Of Name Yielding Meaning ACS Access Control Store / Application Control Services / Asynchronous Communications Server / Australian Computer Society / Automatic Class Selection / Automatic Clearing Houses ACSE Association Control Service Element ACSL Association Control Service eLement ACSNET Academic Computing Services Network / Australian Computer Science Network ACSU Advanced (T-1) Channel Service Unit ACT Application Center for Technology ACTA America's Carriers Telecommunications Association ACTAS Alliance of Computer-based Telephony Application Suppl ACTGA Attendant Control of Trunk Group Access ACTLU ACTivate Logical Unit ACTPU ACTivate Physical Unit ACTS Automated Coin Toll Service / Automatic Coin Telephone System ACU Alarm Control Unit / Association of Commonwealth Universities / Automatic Call Unit ACUTA Association of College and University Telecommunication AD Activity Discard / Administrative Domain / Authorized Dealers ADA Activity Discard Acknowledgment / Automatic Data Acquisition (programming language) ADAPSO Association of Data Processing Service Organizations ADAS Advanced Directory Assistance System ADB Apple Desktop Bus / AppWare Distributed Bus architecture ADC Advanced Data Connector / Analog Digital Converter / Analysis Date Concentrator / Automated Data Collection ADCCP Advanced Data Communications Control Procedures ADCI Automatic Display Call Indicator ADCP Avesta Device Control Protocol ADCU Association of Data Communications Users ADD Authorized Digital Dealers ADDMD Administrative Directory Management Domain ADF Access control Decision Function / Automatic Document Feeder ADG Authorized Distributor Group ADI Access control Decision Information / Application DIrectory / Autodesk Device Interface ADM Adaptive Delta Modulation / Add-Drop Multiplexer ADMD Administration Management Domain ADN Any day now / Abbreviated Dialing Number ADO Active Data Objects / ActiveX Data Objects ADP Active Distribution Panel / Automated Data Processing ADPCM Adaptive Differential Pulse Code Modulation ADS Advanced Digital System / Audio Distribution System / Auto Data Switch / Auxiliary Data System ADSC Adobe Document Structuring Conventions ADSI Active Directory Services Interface / Analog Display Services Interface ADSL Asynchronous Digital Subscriber Line / Asymetric Digital Subscriber Line ADSP AppleTalk Data Stream Protocol ADTS Automated Digital Terminal System ADU Application Definition Utility / Automatic Duplexing Unit ADVFS Advanced File System (usually as AdvFS) AE Activity End / Application Entity / ASCii Express AEA Activity Entity Acknowledgment / American Electronics Association / American Entrepreneurs Association AEB Analog Expansion Bus AEC Adaptive Echo Cancellation AEF Access control Enforcement Function AEGIS AIDS Education and General Information Service AEI Automatic Equipment Identification AEIMP Apple Event Interprocess Messaging Protocol AEP AppleTalk Echo Protocol / Application Environment Profile AET Application Entity Title AF Address Field / Audio Frequency / Auxiliary (carry) Flag AFACTS Automated FACilities Test System AFADS Automatic Force Adjustment Data System AFAIC As far as I'm concerned / As Far As I Can Tell AFAIK As Far As I Know AFAYC As Far As You're Concerned AFC Ansi Factory / Automatic Frequency Control AFCP Avesta Flow Control Protocol AFDC Aid to Families with Dependent Children AFDW Active Framework for Data Warehousing AFGO Another F***ing (or Fabulous) Growth Opportunity AFI AppleTalk Filing Interface / Authority and Format Identifier AFII Association for Font Information Interchange AFIN Air Force Information Network AFIPS American Federation of Information Processing Societie AFIRM Automated Fingerprint Image Reporting and Match (system) AFK Away from keyboard AFNOR Association Francaise de Normalisation AFP Advanced Function Printing / AppleTalk File Protocol AFPA American Forest and Paper Association AFRP ARCNET Fragmentation Protocol AFS Andrew File System AFSK Audio Frequency Shift Keying / Automatic Frequency Shift Keying AFT Application File Transfer AG/EEE Above Ground Electronic Equipment Enclosures AGA Advanced Graphical Architecture. Also known as AA. The new chipset that was introduced with the A4000 and A1200. AGBH Average Group Busy Hour AGC Automated Gain Control AGEEE Above Ground Electronic Equipment Enclosures AGIS Apex Global Information Services AGOCG Advisory Committee on Computer Graphics AGP Advanced Graphics Port / Accelerated Graphics Port AGS Asynchronous Gateway Server AH Authentication Header AHDS Arts and Humanities Data Service AHT Average Holding Times AHUA Association of Heads of University Administrations AI Artificial Intelligence / Authentication Information AIA Aerospace Industries Association / Application Integration Architecture AIAG Automotive Industry Action Group AIC Automatic Intercept Center AICC Automatic Intercept Communications Controller AICPA American Institute of Certified Public Accountants AIDS Apple Infected Disk Syndrome AII Active Input Interface AIIC As If I Care AIIM Association for Information and Image Management AIM Advanced Interconnect Modeling / Analog Intensity Modulation / Asynchronous Interface Module / ATM Inverse Multiplexer AIMSX Advanced Information Management System AIMUX ATM Inverse Multiplexing AIN Advanced Intelligent Network AIOD Automatic Identification of Outward Dialing AIR Additive Increase Rate / Apple Internet Router AIS Alarm Indication Signal / Alarm Indication System / Automated Information System / Automatic Intercept System AISE Alarm Indication Signal External AISI As I See It AITRC Applied Information Technologies Research Center AIUI As I Understand It AIWS As I Was Saying AIX Advanced Interactive Executive AK Acknowledge AKA Also known as AKM Apogee Kick Motor AL Account Librarian (MPE) / Application Layer / Artificial Life ALAP ARCTalk Link Access Protocol ALB Analog LoopBack ALBO Automatic Line Build Out ALC Automatic Level Control ALFE Analog Line Front End ALGOL ALGOrhythmic Computer Language ALI Acer Laboratories, Inc. / Automatic Location Identification ALIT Automatic Line Insulation Testing ALIVE Artificial Life Interactive Video Environment ALM Application Loadable Module / AppWare Loadable Module ALO At Least Once ALP Abstract Local Primitive ALPS Auto Laser Pulse Saving ALRU Automatic Line Record Update ALS Application Layer Structure / Automated List Service ALT Association for Learning Technology ALU Application Layer User / Arithmetic Logic Unit AM Accounting Management / Active Monitor / Administrative Module / Amplitude Modulation AM/PSK Amplitude Modulation with Phase Shift Keying AMA Automatic Message Accounting AMACS Automatic Message Accounting Collection System AMARC Automatic Message Accounting Recording Center AMASE Automatic Message Accounting Standard Entry AMAST Algebraic Methodology And Software Technology AMAT Automatic Message Accounting Transmitter AMATPS Automatic Message Accounting TeleProcessing System AMATTPS Automatic Message Accounting Transmitter Teleprocessing System AMC Area Management Center AMD Advanced Micro Devices / Air Movement Device (aka Fan) AME Advanced Metal Evaporative (media) / Asynchronous Modem Eliminator AMERITECH American Information Technologies AMF Account Metering Function AMH Application Message Handling AMI Alternate Mark Inversion / American Megatrends Inc. / American Microsystems Incorporated AMIGA A Merely Insignificant Game Addiction AMII Agile Manufacturing Information Infrastructure AMIS Atari Message and Information System / Audio Messaging Interchange Standard AMM Agent Management Module / Area Manufacturing Manager AMON ATM Monitoring AMP Ampere / Active Monitor Present AMPS Abstract Meta-Physical Speculation / Advanced Mobile Phone Service AMR Automatic Meter Reading AMS Access Method Services AMSP Association of Microsoft Solutions Providers AMT Address Mapping Table AMU Atomic Mass Unit AMVFT Amplitude Modulation Voice Frequency Telegraph AMWI Active Message Waiting Indicator AN Aryan Nations / Associated Number ANA Automatic Number Announcement ANBH Average Network Busy Hour ANC All Number Calling ANCS AT&T NetWare Connect Services network AND Automatic Network Dialing ANE Anarchy 'N' Explosives ANF Additional Network Feature / AppleTalk Networking Forum ANFAWFOS And Now a Word From Our Sponsor ANFSCD And Now For Something Completely Different ANI Automatic Number Identification ANIF Automatic Number Identification Failure ANL Argonne National Laboratory ANM Advanced Network Management ANN Announcement Date / Auditing Network Needs ANOI A New Order of Intelligence ANS Advanced Network & Services / American National Standard ANSC American National Standards Committee ANSI American National Standards Institute ANTC Advanced Networking Test Center AOA Anarchists of America AOC Advice of Charge AOCE Apple Open Collaborative Environment AOI Active Output Interface AOJ Add one and do not Jump AOL America Online / Army Of Lamers AOM Application OSI Management / Area Operations Manager AOP Association of Online Professionals AOS Add One and do not Skip / Alternate Operator Service / Alternate Option Selection AOSIP Airline Open Systems Interconnection Profile AOSS Auxiliary Operator Service System AOT Art of Technology AOTD Art Of Technology Digest (magazine) AOV Average Order Value AOW Asia and Oceania Workshop AOWS Asia Oceanic WorkShop AP Application Process / Application Profile / Attached Processor APA All Points Addressable APANA Australian Public Access Network Association APC Adaptive Predictive Coding / AMARC Protocol Converter / American Power Conversion / Asynchronous Procedure Call APCC American Public Communications Council APCI Application - layer Protocol Control Information APD Avalanche PhotoDiode APDA Apple Programmers and Developers Association APDU Application Protocol Data Unit APF All PINs Fail API American Pirate Industries / Application Program Interface / Application Programming Interface APIC Advanced Programmable Interrupt Controller APL A Programming Language APLT Advanced Private Line Termination APM Advanced Power Management APP Application / Application Portability Profile APPC Advanced Peer to Peer Communication / Advanced Program to Program Communication APPC/PC Advanced Program-to-Program Communications APPI Advanced Program-to-Program Internetworking APPIX Automated Part and Product Information Exchange APPLE Arrogance Produces Profit-Losing Entity APPN Advanced Peer-to-Peer Network APR Automatic Picture Replacement APS Application Processing Services / Automatic Protection Switch / Automatic Protection Switching system APT Advanced Pirate Technology / American Phone Terrorists APTS Advanced Public Transportation AQS Automatic Quote System AR Activity Resume / Alarm Report ARA Apple Remote Access (protocol) / Attribute Registration Authority ARAP AppleTalk Remote Access Protocol ARB Application Review Board ARC Advanced RISC Computing / Attached Resources Computing / Ames Research Center / Attached Resource Computer / Attached Resources Computing / Audio Response Controller / Archives ARCV Association of Really Cruel Viruses ARD Application Remote Database / Automatic RingDown ARDIS Advanced National Radio Data Service ARE All Routes Explorer ARF Alarm Reporting Function ARGO A Really Good Open systems interconnection ARI Address Recognized Indicator bit ARIES ATM Research & Industrial Enterprise Study ARIN American Registry for Internet Numbers ARIS Audichron Recorded Information System ARL Access Rights List / Adjusted Ring Length / Attendant Release Loop ARLL Advanced Run Length Limited ARM Advanced RISC Machines / Application Response Measurement (API) / Area Revenue Manager / Asynchronous Response Mode ARO After Receipt of Order ARP Address Resolution Protocol ARPA Advanced Research Projects Agency ARPANET Advanced Research Projects Agency NETwork ARQ Automatic Repeat reQuest ARR Attributes for Representing Relationships / Automatic Repeat Request ARRL American Radio Relay League ARS Alternate Route Selection / Automatic Route Selection ARSB Automated Repair Service Bureau ART Asynchronous Remote Takeover / Automatic Revision Tracking ARTT Asynchronous Remote Takeover Terminal ARU Audio Response Unit ARX AutoCAD Runtime eXtension AS Activity Start / Anarchy Society / Application System / Autonomous Systems ASA Advanced SCSI Architecture ASACP (Internet) Adult Sites Against Child Pornography ASAFP As Soon As Freakin' Possible ASAI Adjunct Switch Application Interface ASAP As soon as possible / Any Service / Any Port ASB Asynchronous Balanced mode ASC Accredited Standards Committee / Authorized Support Centers / Average System Cost / Average System Content ASCI Accelerated Strategic Computign Initiative ASCII American Standard Code for Information Interchange / Basic letters and numbers, nothing fancy ASD Advanced Semiconductor Development ASDC Abstract Service Definition Convention ASDU Application - layer Service Data Unit ASE Amplified Spontaneous Emission / Application Service Element ASG Advanced Systems Group ASI Adapter Support Interface / Alternate Space Inversion ASIC Application Specific Integrated Circuit ASID Address Space IDentifier ASIS American Society for Industrial Security / American Society for Information Science ASK Amplitude Shift Keying ASL Alpha Systems Laboratories ASLIB Association of Librarians ASME American Society of Mechanical Engineers ASMP Asymmetrical Multi-Processing ASN Abstract Syntax Notation ASN.1 Abstract Syntax Notation One ASO Application Service Object ASOC Administrative Service Oversight Center ASP Abstract Service Primitive / AppleTalk Session Protocol / Association Of Shareware Professionals / Active Server Page ASPEN Automatic System for Performance Evaluation of the Network ASPI Advanced SCSI Programming Interface ASR Access Service Request / Automatic Send / Receive / Automatic Speech Recognition ASSHOLE Away with you lamer AST Asynchronous System Trap ASTM American Society for Testing Materials ASTRAL Association for Strategic Token Ring Advancement and L ASV Average System Value ASYNC Asynchronous transmission AT Access Tandem / Advanced Technology / ATtention (modem commands) AT&T American Telephone and Telegraph Company ATA Advanced Technology Attachment / American Telemarketing Association / ARCnet Trade Association / AT Attachment ATAPI Advanced Technology Attachment Packet Interface / AT Attachment Packet Interface ATAS Analog Test Access System ATASPI AT Advanced SCSI Programming Interface ATB All Trunks Busy ATC Allbase Turbo Connect / Automatic Transmission Control ATD Association of Telecommunications Dealers / Asynchronous Time Division / Authorized Terminal Distributor ATDM Asynchronous Time Division Multiplexing ATDP Attention Dial Pulse ATDT Attention Dial Tone ATE Asynchronous Terminal Emulation / ATM Terminating Equipment ATF Automatic Track Following ATH Abbreviated Trouble History ATI Activist's Times Incorporated / Automatic Test Inhibit ATIS Advanced Traveler Information Systems / Automatic Transmitter Identification System ATL Active Template Library ATLA Another Three Letter Acronym ATM At The Moment / Automated Teller Machine / Abstract Test Method / Adobe Type Manager / Asynchronous Transfer Mode ATMARP Asynchronous Transfer Mode Address Resolution Protocol ATME Automatic Transmission Measuring Equipment ATMP Ascend Tunnel Management Protocol ATMS Automated Trunk Measurement System ATP Available to Promise / All Tests Pass / AppleTalk Transaction Protocol / Application Transaction Processing ATPS AppleTalk Print Services ATQ AppleTalk Transition Queue ATR Alternate Trunk Routing ATRS Automated Trouble Reporting System ATS Abstract Test Suite / Asian Test Symposium ATSE Application Timesharing Software Engineering ATT Applied Transmission Technologies ATTC Automatic Transmission Test and Control Circuit ATTIS American Telephone and Telegraph Information Systems ATV Advanced Television AU Access Unit / Adaptive Unit / Administrative Unit AUA Association of University Administrators AUC AUthentication Certificate AUDIX Audio Information Exchange AUI Attachment Unit Interface / Auxiliary Unit Interface AUP Acceptable Use Policy AURP AppleTalk Update-Based Routing Protocol AUT Association of University Teachers AUTODIN Automatic Digital Network AUTOSEVCOM Automatic Secure Voice Communications AUTOVON Automatic Voice network AUU ATM User-to-User AUXF Auxiliary Frame AVA Attribute Value Assertion AVCS Advanced Vehicle Control Systems AVD Alternate Voice Data AVI Advanced Visual Interface / Audio-Video Interleaved / Automatic Vehicle Identification AVL Adelson - Velskii - Landis (programming method) AVN Ameritech Virtual Network / Automated Voice Network AVR Automatic Voltage Regulation / Avid Video Resolution AVS Application Visualization System AVSSCS Audio Visual Service Specific Convergence Sublayer (AT AVT Application Virtual Terminal / Architecture Verification Test AWB Aglets Workbench AWG American Wire Gauge AWGTHTGTATA Are we going to have to go through all this again? AWGTHTGTTA Are we going to have to go through this again? AWGTHTGTTA? Are We Going To Have To Go Through This Again? AWM Advanced Wave Memory AWS Administration WorkStation AWT Abstract Windowing Toolkit / Abstract Windows Toolkit AXP Almost Exactly Prism AYA Are you alone? AYF All Your Fault AYOR at your own risc B Byte / Bearer channel (ISDN) B-) Smiling with glasses or sunglasses or wearing cool shades / Horn Rimmed Glasses B/C Because / b/c because B/L Backlog B:-) Sunglasses on Head B4 Before B4N Bye for Now B6ZS Bipolar with 6 Zero Substitution B8ZS Binary 8-Zero Substitution / Bipolar with 8 Zero Substitution B911 Basic 911 BA British Academy BAA Broad Agency Announcement BAC Basic Access Control BACP Bandwidth Allocation Control Protocol BAD Broken As Designed BAGS Bristol's Anti-Gay Society BAI Bank Administration Institute BAIK Boy Am I Confused BAK Back at keyboard BALUN BALanced / UNbalanced BAMAF Bellcore Automatic Message Accounting Format BAMF Bad Assed Mother F- BANCS Bell Administrative Network Communications System / Bell Application Network Control System BANM Bell Atlantic Nynex Mobil BAPCO Bellsouth Advertising & Publishing Company BAPI Bridge Application Program Interface BARRNET Bay Area Research Network BAS Big A$$ Smile / Basic Activity Subset BASC Bad Austrian Swapping Crew BASIC Bill's Attempt To Seize Industry Control. / Beginner's All-Purpose Symbolic Instruction Code BAUD Bits At Unit Density (BAUD rate: How fast a modem talks) BB be back / beavis & butthead / Bad Brains BB&N Bolt, Beranek & Newman BBA Budget By Account BBC British Broadcasting Corp. / Broadband Bearer Capability BBFN Bye Bye For Now BBH Bouncing Busy Hour BBIAB Be back in a bit BBIAF Be back in a few bbias Be back in a second BBL Be back later BBN Bye Bye Now BBR Burnt Beyond Repair BBS Be Back Soon / Bulletin Board System / Bulletin Board Service BBSRC Biotechnology and Biological Sciences Research Council (formerly AFRC) BBU Battery Back-Up BC Blind Copy / Block Check BCC Blind Carbon Copy / Blind Courtesy Copy / Block Check Character / Blocked Call Cleared / Boys from Company C BCD Binary Coded Decimal / Blocked Call(s) Delayed BCDIC Binary Coded Decimal Interchange Code BCDMA Broadband Code Division Multiple Access B-CDMA Broadband Code Division Multiple Access BCG Business Center Group BCH Blocked Calls Held BCN Beacon BCNF Boyce - Codd Normal Form BCNU Be seein' you BCOB Broadband Class Of Bearer BCP Business Communications Project / Byte-Control Protocols BCPL Basic Combined Programming Language / Basic Computer Programming Language BCR Blocked Calls Released / Business Communications Review BCS BarCode Sorter / Basic Combined Subset / Batch Change Supplement / Boston Computer Society / British Computer Society / Business Communications Systems BCW Burst Code - Word BD Back door BDC Backup Domain Controller BDCS Broadband Digital Cross-connect System BDE Block Diagram Editor / Borland Database Engine BDK Beans Development Kit BDLC Burroughs Data Link Control BDN Bell Data Network BDR Backup Designated Router BDS Black Dragon Society / Building Distribution System BDT Berkeley Design Technology / Billing Data Transmitter BEC Backward Error Correction BECN Backward Explicit Congestion Notation/Notification BEDO Burst Extended - Data Out (RAM) BEF Band Elimination Filter BEG Big Evil Grin BEITA Business Equipment and Information Technology Association BELLCORE BELL COmmunications REsearch BER Basic Encoding Rules / Bit Error Rate BERKOM BERlin KOMmunikation BERT Bit Error Rate Test / Bit Error Rate Tester BET Black Entertainment Television BETEL Broadband Exchange over Trans-European Links BETRS Basic Exchange Telecommunications Radio Service BEZS Bandwidth Efficent Zero Support/Suppression BF Boy Friend / Bridge Function BFD Big F'kin' Deal BFF Binary File Format BFM Bus Functional Model BFN Bye for now BFO Blinding Flash of the Obvious BFT Binary File Transfer BG/EEE Below Ground Electronic Equipment Enclosures BGA Ball Grid Array BGEEE Below Ground Electronic Equipment Enclosures BGI Borland Graphics Interface BGP Border Gateway Protocol BGT Broadcast and Group Translators BHAW Banging Head Against Wall BHC Busy Hour Calls BHCA Busy Hour Call Attempts BHLI Broadband High Layer Information BHS Black Hand Society BI Backplane Interconnect / Beginning Inventory BIA Burned - In Address BIAS Berkeley Integrated Audio Software / Burroughs Integrated Adaptive System BIB Bus Interface Board BIBO Beer In, Beer Out B-ICI Broadband - ISDN Inter-Carrier Interface / Broadband Inter-Carrier Interface BICI Broadband Inter-Carrier Interface B-ICISAAL Broadband Inter-Carrier Interface Signaling ATM Adaptation Layer BICISAAL Broadband Inter-Carrier Interface Signaling ATM Adaptation Layer BICMOS Bipolar Complementary Metal Oxide Semiconductor BICSI Building Industry Consulting Service International (usually as BiCSi) BIDS Bath Information and Data Services BIF Basis in fact / Benchmark Interface Format BIL Band Interleaved by Line BIM Basic Industry Marketing BIMOS Bipolar Metal Oxide Semiconductor BIND Berkeley Internet Name Domain BIOS Basic Input / Output System BIOYA Blow It Out Your A** BIOYIOP Blow It Out Your I/O Port BIP Band Interleaved by Pixel / Bit Interleave Parity BIPS Billions of Instructions Per Second BIPV Bit Interleaved Parity Violation BIRON Bibliographic Information Retrieval Online BIS Border Intermediate System (ATM Forum) B-ISDN Broadband - Integrated Services Digital Network BISDN Broadband Integrated Services Digital Network BISP Business Information System Program BISSI Broadband Inter Switching System Interface BIST Built In Self Test B-ISUP Broadband ISDN User's Part BISYNC Binary Synchronous Communication / Binary Synchronous Control / Bisynchronous Communic BIT Basic Information Unit / Binary DigIT (sometimes as bit) / Built In Test BITBLT BIT BLock Transfer / Bit-boundry BLock Transfer BIT-BLT Bit-boundry BLock Transfer BITE Built In Test Equipment BITNET Because It's Time NETwork BITNIC BITNET Network Information Center BIU Basic Information Unit / Bus Interface Unit BIX BYTE Information eXchange BJS Bureau of Justice Statistics BKERT BlocK Error Rate Tester BL Blue Lightning / British Library BLAH Big Long and Hairy BLAST Blocked Asynchronous / Synchronous Transmission BLCMP Birmingham Libraries Co-operative Mechanisation Project BLED Blue Light Emitting Diode BLER BLock Error Rate BLERT BLock Error Rate Test / BLock Error Rate Tester BLF Busy Lamp Field / Busy Line Field BLLI Broadband Low Layer Information B-LLI Broadband Low Layer Information BLNT Broadband Local Network Technology BLOB Binary Large OBject BLOP Basic Local OPeration B-LOP Basic Local OPeration BLRDD British Library Research and Development Department BLS Business Listing Service BLU Basic Link Unit BLV Busy Line Verification BMA Broadcast Multiple Access BMC Basic Monthly Charge / Bulk Mail Center BMEWS Ballistic Missile Early Warning System BMIDE Bus Managed Integrated Drive Electronics BMOS Bytex Matrix Operating System BMP Batch Message Processing (program) / BER Management Protocol / Bitmap (usually as .BMP) BMS Banyan Mail Services / Basic Mapping Support BMU Basic Measurement Unit BN Bridge Number BNA Burroughs Network Architecture BNC Baynet N-type Compact / Bayonet Navy Connector / Bayonet Nut Connector / Bayonet - Neill - Concelnan / Britsh National Connector BNF Big Name Fan / Backus-Naur Form BNI Batteries Not Included BNL Brookhaven National Laboratory BNR Bell National Research BNS Billed Number Screening BNT B-ISDN Network Termination B-NT Broadband Network Termination B-NT1 B-ISDN Network Termination 1 B-NT2 B-ISDN Network Termination 2 BO Buffer (Brain) Overload BOA Basic Object Adapter / Bill of Aggregation / Blanket Order Agreement BOC But Of Course / Bell Operating Company BOCOEX Boston Computer Exchange (usually as BoCoEx) BOD Board Of Directors BOF Birds of a Feather (Special Interest Group) / BOF Beginning Of File BOFH B**tard Operator From Hell BOI Basic Operators Interface BOIS Business Office Information Systems BOKYAG Bend Over and Kiss Your A** Goodbye BOM Beginning Of Message / Bill of Materials BONDING Bandwidth On Demand InterNetworking Group / Bandwidth ON Demand INteroperability Group BONES Block Oriented Network Simulator (usually as BONeS) BOO Bill of Organization BOOTP BOOT Protocol / Bootstrap Protocol BOP Bit-Oriented Protocol BOPS Billion Operations Per Second BOQ Bill of Quantities BOR Basic Output Report BORSCHT Battery,Overvoltage,Ringing,Supervision,Coding,Hybrid,Test BOS Big Orange Switch (Panic Button) / Business and Office Systems / Business Office Supervisor BOSE Business and Office Systems Engineering BOSS Billing and Order Support System BOT Back on Topic / Beginning Of Tape / roBOT BOTE Brothers of the Eye BOW Brotherhood Of Warez (usually as BoW) BPA Business Publications Audit BPB BIOS Parameter Block BPDU Bridge Protocol Data Unit BPF Berkeley Packet Filter BPFM Business Process Flow Management (system) BPI Bits Per Inch BPL Bits Per Line BPM Books Per Minute / Business Planning Manager / Base Product Marketing BPN Comstar Business Plan BPNRZ BiPolar Non-Return-To-Zero BPOC Bell Point Of Contact BPP Bits Per Pixel / Bridge Port Pair BPR Business Process Re-engineering BPRZ BiPolar Return-To-Zero BPS Bits Per Second (usually as bps) / Bytes Per Second (usually as Bps) BPSK Binary Phase Shift Keying BPSS Basic Packet Switching Service / Bell Packet Switching System BPV BiPolar Violation BQS Berkeley Quality Software BRA Basic Rate Access BRAT Business Residence Account Tracking system BRATS Business Residence Account Tracking System BRB Be Right Back BRCS Business Residence Custom Service BRF Benchmark Report Format BRI Basic Rate Interface (ISDN) BRIE Berkeley Roundtable on the International Economy BRM Basic Remote Module / Business Reply Mail BRMAS Business Reply Mail Accounting System BRMTP Batch Simple Message Transfer Protocol BRP Blade Runner Productions BRS Big Red Switch (Panic Button) / Bibliographic Research Service BS BackSpace (ASCII) / Banded Signaling / Bullsh*t BSA Basic Service Arrangement / Business Software Alliance/Association BSBH Busy Season Busy Hour BSC Binary Synchronous Communication/Control / Bi-Synchronous Communication / Business Service Center BSCM BiSynchronous Communications Module BSD Berkeley Software Distribution / Berkeley System Distribution BSE Basic Service Elements BSEG Big Sh*t Eating A Grin BSF But Seriously Folks / Bell Shock Force BSI British Standards Institute BSN Broadband Service Node BSOC Bell Systems Operating Company BSOD Blue Screen Of Death BSP Bell Systems Practice / Bulk Synchronous Parallelism BSQ Band SeQuential BSR Board of Standards Review BSRAM Burst Static Random Access Memory BSRF Basic System Reference Frequency BSRFS Bell System Reference Frequency Standard BSS Basic Synchronized Subset BST But Seriously though / Basic Services Terminal BSTJ Bell System Technical Journal BSVC Broadcast Switched Virtual Connections BSW Buried Service Wire BT British Telecom / Burst Tolerance / Bus Terminator B-TA B-ISDN Terminal Adapter BTA But Then Again (in response to IOW) / B-ISDN Terminal Adapter BTAIM be that as it may BTAM Basic Telecommunications Access Method/Message BTB Branch Target Buffer BTDT Been There, Done That BTDTGTS Been There, Done That, Got the T-Shirt BTE B-ISDN Terminal Equipment B-TE B-ISDN Terminal Equipment ( 1 or 2 ) BTFM Beats the Funk out of Me BTFT Been There, Fixed That BTHOM Beats the hell outta me! BTL Bell Telephone Laboratories BTM Benchmark Timing Methodology BTN Billing Telephone Number BTP Batch Transfer Program BTR Bit Transfer Rate BTS Base Transciever Station BTSOM Beats the sh*t out of me BTSOOM beats the stuffing out of me - or - Beats The Sh!t Out Of Me BTU Basic Transmission Unit / British Thermal Unit BTW By The Way BTWBO Be there with bells on. BUBL Bulletin Board for Libraries BUC Bus Unit Controller BUGS Bloody User Generated Symptoms BUS Broadcast and Unknown Server BVA Billing Validation Application BVAPP Billing Verification and Authorization for Payment Process BVC Billing Validation Center BW BandWidth BWL Bursting With Laughter BWM Broadcast Warning Message BWQ Buzz Word Quotient BWT Broadcast Warning TWX BWTS BandWidth Test Set BYA Bye [of course] BZT Bundesamt fur Zulassungen in der Telekommunikation C Celsius / Centigrade / Committee / Country C&B Crash & Burn C&G Chuckle and Grin C&ISM Consultant and Information Systems Marketing Group C/SCC (IEEE Computer Society) Computer / Standards Coordinating Committee C:-) Big brain C|:-) Wearing a Bowler Hat C=:-) Chef C4I Command/Control/Comp/Comm/Intel C4N ciao for now CA CAble / Cell Arrival / Certificate Authority / Collision Avoidance / Computer Associates / Computer Animation CAA Chaotic Ansi Artists CABS Carrier Access Billing System CAC Calling-card Authorization Center / Canadian Advisory Committee / Carrier Access Code / Circuit Administration Center / Customer Administration Center / Connection Admission Control / CACH Call Appearance Call Handling CACHE Can't Admit Computers hang Empty CACHEKTS Call Appearance Call Handling Electronic Key Telephone Service CACP Central Arbitration Control Point CACS Customer Administration Communication System CAD Computer Aided Design/Drafting/Dispatch / Control-Alternate-Delete CAD/CAM Computer-Aided Design / Computer-Aided Manufacturing CADD Computer Aided Design Development CADV Combined Alternate Data/Voice CAE California Association of Employers / Client Application Enabler (SQL) / Command Application Environment / Common Application Environment / Computer-Aided Engineering CAEM Computer Aided Engineering and Manufacturing CAF Call Attach Facility CAFD Controllers Automatic Message Accounting Format Description CAFM Computer Aided Facilities Management CAGR Compound Annual Growth Rate CAI Call Assembly Index / Common Air Interface / Computer Assisted Instruction CAIA Conference on Artificial Intelligence for Applications CAIS Collocated Automatic Intercept System CAL Computer Aided Learning CALC CALCulate / Carrier Access Line Charge / Customer Access Line Charge CALIM Consortium of Academic Libraries in Manchester CALRS Centralized Automatic Loop Reporting System CALS Computer-aided Acquisition and Logistic Support CAM Channel Access Method / Common Access Method Computer Aided Machining/Manufacturing / Computer AIDS Ministries CAMA Centralized Automatic Message Accounting CAN Campus Area Network / Controller Area Network CAP Carrierless Amplitude and Phase / Competitive Access Provider CAROT Centralized Automatic Reporting On Trunks Carrier Access Code / Connection Admission Control CAS Centralized Attendent Service / Channel Associated Signaling / Circuit Associated Signaling / Column Address Strobe/Select / Communicating Application Specification / Computerized Autodial System / Customer Administrative Services CASE Common Application Service Element / Computer Aided/Assisted Software Engineering CASS Coding Accuracy Support System CAT Common Authentication Technology / Computer Aided Test / Craft Access Terminal CATANET Concatanated Network CATCH Come Again? That Can't Help! CATLAS Centralized Automatic Trouble Locating & Analysis System CATNIP Common Architecture for the Internet Protocol CATV Cable Television / Community Antenna TeleVision CAU Computer Anarchists Underground / Controlled Access Unit CAU/LAM Controlled Access Unit / Lobe Attachment Module CAV Constant Angular Velocity CB Citizens Band / Component Broker CBBS Computerized Bulletin Board System CBC Cipher Block Chaining CBD Component Based Development CBDB Currency and Banking DataBase CBDS Connectionless Broadband Data Service CBE Certified Banyan Engineer CBEMA Computer and Business Equipment Manufacturers' Association CBI Computer-based Instruction CBL Computer Based Learning CBM Commodore Business Machines CBMS Computer - Based Messaging System CBO Continuous Bitstream Oriented CBPXI Computer Private Branch Exchange Interface CBQ Class Based Queuing CBR Constant Bit Rate / Continuous Bit Rate CBS Certified Banyan Specialist / Common Bom System / CrossBar Switching CBSD Component-Based Software Development CBT Computer Based Training CBX Computerized Branch/Business Exchange CC Calling Card / Carbon Copy / Central Control / Clearing Center / Cluster Controller / Committee Chairman / Common Control / Connect Confirm / Connection Confirm / Continuity Cell / Controller Card / Cost Center / Country Code / Courtesy Copy / Credit Card / Cryptic Criminals CCA Conceptual Communications Area CCAPH Communications and Computer Applications in Public Health CCB Command Control Block CCBS Completion of Call to Busy Subscriber CCC Central Control Complex / Ceramic Chip Carrier / Chaos Computer Club / Clear Channel Capability / Community Computer Center / Computer Control Center CCD Cash Concentration and Disbursement / Charge-Coupled Device / Customer Configuration Document CCDN Corporate Consolidated Data Network CCEP Commercial Communications Endorsement Program / Commercial COMSEC Endorsement Program CCFT Cold Cathode Fluorescent Tube CCH Connections per Circuit per Hour CCH/SP Harmonization Coordination Committee Permanent Secretariat CCI Cyber Crime International CCIA Computer and Communication Industry Association CCIC Committee on Computing, Information, and Communications CCIP (IEEE) Committee on Communications and Information Policy CCIR Comite Consultif Internationale de Radiocommunications / International Consultative CCIRN Coordinating Committee for Intercontinental Research Networks CCIS Common Channel Interoffice Signaling CCITT Comittéé Consultatif International Telegraphique et Téléphonique (the Consultative Committee on International Telegraphy and Telephony) CCM Customer Control Management CCNC Common Channel Network Controller / Computer Communications Network Center CCNR Completion of Call on No Reply CCNUMA Cache Coherent NonUniform Memory Architecture (usually as ccNUMA) CCOO Comprehensive Cost of Ownership CCP Certified Computing Professional CCR Commitment, Concurrency, and Recovery / Current Cell Rate / Customer Controlled Reconfiguration CCRMA Center for Computer Research in Music and Acoustics CCRSE Commitment, Concurrency, and Recovery Service Element CCS Calling Card Service / Centum (hundreds) Call Seconds / Common Channel Signaling / Common Command Set / Common Communications Support CCS7 Common Channel Signaling CCSA Common Central Switching Arrangement CCSS Common Channel Signaling System CCSS7 Common Channel Signaling System 7 CCT Central Control Terminal / CNMA Conformance Testing / Cumulative Cycle Time CCTA Central Computer and Telecommunications Agency CCTAC Computer Communications Trouble Analysis Center CCTV Closed Circuit Television CCU COLT Computer Unit CCUTF Corrupt Computer Underground Taskforce CCV Calling Card Validation CD (modem) Carrier Detect / Call Deflection / Capability Data / Compact Disk / Change Directory (DOS) / Collision Detection / Committee Draft / Current Data / CDA Call Data Accumulator / Capability Data Acknowledgment / Coin Detection and Announcement / Communications Decency Act / Compound Document Architecture / Crash Dump Analyzer CDAR Customer Dialed Account Recording CDC Clark Development Company / Control Data Corporation / Cult of the Dead Cat (Virus) / Cult of the Dead Cow (Text) / Current Data Checking CDCCP Control Data Communications Control Procedure CDCF Cumulative Discounted Cash Flow CDCI Cult of the Dead Cat, Inc. CDD Common Data Dictionary CD-DA Compact Disc - Digital Audio CDDA Compact Disc Digital Audio (red book) CD-DA Compact Disc Digital Audio (red book) CDDI Copper Distributed Data Interface CDE Common Desktop Environment CDF Channel Definition Format / Combined Distributing Frame CDFS CD-ROM File System / Compact Disk File System CDI Circle Digit Identification / Compact Disc digital Interactive (green book) CD-I Compact Disc digital Interactive (green book) CDIA Certified Document Imaging Architect CDIF CASE Data Interchange Format CDIP Ceramic Dual In-line Package CDM Custom Device Module CDMA Code Division Multiple Access CDO Community Dial Office CDOE Common Desktop Operating Environment CDPD Cellular Data Packet Data / Cellular Digital Packet Data CDPR Customer Dial Pulse Receiver CDR Call Detail Recording / Call Dial Routing CD-R Compact Disc - Recordable CDR Compact Disc Reader / Compact Disc Recordable CDRAM Cache Dynamic Random Access Memory CDRH Center for Devices and Radiological Health CD-ROM Compact Disc - Read Only Memory / Consumer Device, Rendered Obsolete in Months CD-RW Compact Disc - Re-Writable CDRW Compact Disc Re-Writable CDS Cell Directory Service / Circuit Design System / Compound Document Service / Conceptual Data Store / Craft Dispatch System CDSA Common Data Security Architecture CDSL Consumer Digital Subscriber Line CDT Cell Delay Tolerance CDUGD Computer Down UnderGround Digest CDV Cell Delay Variation CDVT Cell Delay Variation Tolerance CE Consumer Electronics (as in the version of Windows CE) / Communications Entity / Creative Editing CEB Consumer Electronic Bus CEC Commission of European Communities CEF Cable Entrance Facility CEI Comparably Efficient Interconnection CELP Code Excited Linear Predictive Coding CEN Comite Europeen de Normalisation (European Committee for Standardization) CENELEC Comité Européen de Normalisation Electrotechnique (the European Electrotechnical Standards Committee) CENTREX CENTRal EXchange CEO Chief Executive Officer CEP Canon Express Protocol / Connection EndPoint CEPI Connection EndPoint Identifier / Comite Europeen des Administrations des Postes et des Telecommunications (European) CER Cell Error Ratio CERFNET California Educational Research Network CERN Centre de Reseau Nucleare CERT Certified Order / Computer Emergency Response Team CES Circuit Emulation Service / Circuit Emulation Specification / Computer Election Systems CET Computer - Enhanced Telephony CEU Continuing Education Unit CEV Control Environmental Vault / Controlled Environment Vault CF Carrier Flag / Coin First / Conversion Facility CFAC Call Forwarding All Calls CFB (K-bit) Cipher Feedback / Call Forwarding Busy / Color Frame Buffer CFCA Communications Fraud Control Association CFD call for discussion CFM Cubic Feet per Minute CFNR Call Forwarding No Reply CFO Chief Financial Officer CFP (Conference on) Computers, Freedom, and Privacy CFR Code of Federal Regulations CFU Call Forwarding Unconditional CFV Call For Votes/Voting CG Chassis Ground CGA Color Graphics Adapter CGCM Certified Graphic Communications Manager CGI Common Gateway Interface / Computer Graphics Interface CGM Computer Graphics Metafile (usually as .CGM) CGMIF Computer Graphics Metafile Interchange Format CGN Concentrator Group Number CGS Constructive Solid Geometry (modelers) CGSA Cellular Geographic Serving Area CHAP Challenge Handshake Authentication Protocol CHCP CHange Code Page (Novell DOS) CHDIR Change Directory (DOS) CHEAD Conference for Higher Education in Art and Design CHEST Combined Higher Education Software Team CHILL CCITT HIgh Level Language (programming language) CHINA Communist Hackers In North America CHIPS Clearing House Interbank Payments System CHRP Common Hardware Reference Platform CHS Cylinder-Head-Sector addressing CHT Call Holding Time CI Call Intrusion / Cluster Interconnect / Computer Interconnect / Congestion Indicator / Connect Indication / Copy Inhibit CI$ Compu$erve Information Service CIA Central Intelligence Agency CIAO Goodbye CIB Channel Input/output Bus CIBYAD Can I buy you a drink? CIC Carrier Identification Codes / CSNET Information Center CICO Coffee In, Coffee Out CICS Computer Information Control System CICSPARS Customer Information Control System Performance Analysis Reporting System CID Crying In Disgrace CIDR Classless Inter-Domain Routing CIE Commission Internationale de l'Eclairaqe / Customer-Initiated Entry CIESIN Consortium for International Earth Science Information Network CIF Cells In Frames CIFS Common Internet File System CIG Commercial Internet Exchange CIGOS Canadian Interest Group on Open Systems CII Call Identity Index CIM - CompuServe Information Manager-The program / Common Information Model / Computer Integrated Manufacturing CIMAP Circuit Installation Maintenance Access Package CIMITI Center for Information Management and Information Technology Innovation CIMT Computer Integrated Manufacturing and Technology CINT Call Interception CIO Chief Information Officer CIP Carrier Identification Parameter / Channel Interface Processor CIR Committed Information Rate / Computer Integrated Research CIRU Computer Industry Research Unit CIS - CompuServe Information Service / Commercial Instruction Set / Customer Intercept Service / Customized Intercept Service CISA Certified Information Systems Auditor CISC Complex Instruction Set Computer/Computing / Complex Instruction Set Code CISSD Canadian International Society for Social Deviancy CIT Computer Integrated Telephony CITTM Corporate Information Technology Training Manager (Council) CIU Communications Interface Unit CIX Commercial Internet Exchange (Association) CKO Chief Knowledge Officer CKS Celestial Knights CL Connectionless CLASS Centralized Local Area Selective Signaling / Custom Local-Area Signaling Services CLB Common Logic Board CLDN Calling Line Directory Number CLE Customer Located Equipment CLEC Competetive Local Exchange Carrier CLEI Common Language Equipment Identification CLI (SQL) Call Level Interface / Calling Line Ident / Command Line Interface CLID Calling Line IDentification CLIP Calling Line Identification Presentation CLIR Calling/Connected Line Identification Restriction CLLI Common Language Location Identification CLLM Consolidated Link-Layer Management CLM Career Limiting Move CLNAP Connectionless Network Access Protocol CLNP Connectionless Network Protocol CLNS Connectionless Network Services CLP Cell Loss Priority / Country List Price CLR Cell Loss Ratio CLS Call Logging System / CLear Screen (DOS, BASIC) / Connectionless Server CLSF Connectionless Service Function CLSID CLasS Identifier CLTK CLaim ToKen CL-TK Claim Token CLTP Connectionless Transport Protocol CLTS Connectionless Transport Service CLU Command Line Utility CLV Constant Linear Velocity CM Centimeter (usually as cm) / Configuration Management / Cubmaster CMA Communication Managers Association CMAC Centralized Maintenance and Administration Center CMAD (Workshop on) Computer Misuse And Detection CMAS Central Massachusetts Administrative Services CMC Carry-in Monthly Charge / Cellular Mobile Carrier / Construction Maintenance Center CMDF Combined Main Distributing Frame CMDS Centralized Message Data System CME Component Management Entity CMI Cable Microcell Integrator / Coded Mark Inversion CMI/HIC Cable Microcell Integrator / Headend Interface Converter CMIIW Correct me if I'm wrong CMIP Common Management Information Protocol / Common Management Interface Protocol CMIPDU Common Management Information Protocol Data Unit CMIPM Common Management Information Protocol Machine CMIS Common Management Information Service CMISE Common Management Information Service Element CML Current-Mode Logic CMM Capability Maturity Model CMOS Complementary Metal Oxide Semiconductor(Silicon) CMOT Common Management information services and protocol Over TCP/IP CMP Common Management Protocol / Cooperative Management Protocol / Communications Plenum Cable / Cooperative Marketing Program/Partner CMR Cell Misinsertion Rate / Communications Riser Cable CMS Call Management System / Circuit Maintenance System / Code Management System / Color Management System / Communications Management Subsystem / Conversation Monitor System CMT Cellular Mobile Telephone CMU COLT Measurement Unit CMYK Cyan, Magenta, Yellow Key / Cyan, Magenta, Yellow, Black CN Change Notice / Common Name / Connect / Copy Network / Country Name / Customer Name / Customer Network CN/A Customer Name & Address CNA Certified NetWare Administrator / Certified Novell Administrator / Communications Network Application CNAB Customer Name - Address Bureau CNC Computer Numeric Control / Concentrator CNCC Customer Network Control Center CNCP Canadian National Canadian Pacific CNE Certified NetWare Engineer / Certified Novell Engineer / Certified Network Engineer CNET Centre National d'Etudes des Telecommunications (National Center for the Study of Telecommunications CNI Certified NetWare Instructor / Certified Novell Instructor / Coalition for Networked Information / Common Network Interface CNIP Calling Name Identification Presentation CNIR Calling/Connected Name Identification Restriction CNM Customer Network Management CNMA Communications Network for Manufacturing Applications CNMS Cylink Network Management System CNOS Computer Network Operating System CNP... Continued (in my) Next Post / Certified Network Professional CNR Complex Node Representation (ATM Forum) CNRS Centre Nationale de Recherche Scientifique (National Center for Scientific Research) CNS Central Nervous System / Certified Novell Salesperson / Complimentary Network Service CO Call Offer / Central Office / Company / Connection Oriented / Customer Owned COA Certificate Of Authenticity / Council Of Administration (usually as CoA) COAM Customer Owned and Maintained COAST Cache On A STick COBOL COmmon Buisness Oriented Language / Completely Obsolete Business Oriented Language COC Central Office Connections / Circuit Order Control / Corporate Operations Committee COCF Connection Oriented Convergence Function COCOT Customer Owned Coin Operated Telephone COD Career Opportunity Days / Cash on Delivery / Connection Oriented Data CODASYL Conference of Data Systems Language CODCF Central Office Data Connecting Facility CODE Crackers of Digital Equipment CODEC Coder / Decoder CODEC COder-DECoder / COMpression-DECompression CODLS COnnection-mode Data Link Service COE Central Office Equipment COEES Central Office Equipment Engineering System COEM Commercial Original Equipment Manufacturer COER Central Office Equipment Reports system COL Caldera OpenLinux COLD Computer Output to Laser Disk COLP Connected Line Identification Presentation COLT Central Office Line Tester / Client Object Linking Technology COM Commercial (usually as .com) / Common Object Model / Component Object Model / Communication (port) / Component Object Model / Computer Output MicroFilm / Continuation Of Message COMBS Customer Oriented Message Buffer System COMDEX COMmunications Development EXposition COMM Communication COMMA Common Object Methodology Metamodel Architecture COMPSAC Computer Software and Applications Conference COMPUSEC Computer Security COMSAT Communications Satellite COMSEC Communications Security COMSPEC Command Specifier COMSTAR Common System for Technical Analysis & Reporting CON Central Office News CON Console CONCERT COmmunications for North Carolina Education, Research, and Technology CONN Connector CONP Connected Name Identification Presentation CONS Connection Oriented Network Service / COnnection-mode Network Service CONTAC Central Office NeTwork ACcess CONTACT Central Office Network Access CONUS Continental United States COPIS Corporate Planning Information System COPOL Council of Polytechnic Librarians COPP Connection Oriented Presentation Protocol COPS Concept Oriented Programming System / Connection Oriented Presentation Service COR Confirmation Of Receipt CORA Canadian OSI Registration Authority CORBA Common Object Request Broker Architecture CORDIS Community Research and Development Information Service CORE Connection Oriented Route Establishment / Criminals of Radical Extremes COREN Corporation for Regional and Enterprise Networking (usually as CoREN) CORISMA Corporate Information Systems Modeling Architecture (usually as CorISMA) CORNET CORperate NETwork CORP Creators of Revolutionary Pictures COS Call Originate Status / Class Of Service / Corporation for Open Systems / Cost of Service (usually as CoS) CoSAAD Council of Subject Associations in Art and Design COSAC Canadian Open Systems Applications Criteria COSE Common Open Software/System Environment COSHEP Committee of Scottish Higher Education Principals COSINE Cooperation for Open Systems Interconnection Networking Europe COSMIC COmmon Systems Main InterConnection (frame system) COSMOS Central System for Mainframe Operations / COmputer System for Mainframe OperationS COSN Consortium for School Networking COSS Common Operational Support Services COSSS Committee on Open Systems Support Services CoSysOp Co-Systems Operator COT Central Office Terminal / Central Office Trunks COTFLGOHAHA Crawling on the Floor Laughing Guts Out and Having a Heart Attack COTP Connection Oriented Transport Protocol COTS Commercial Off The Shelf COUSNS Committee Of UK Subject-based Network Services COW Charachter-Oriented Windows (Interface) CP Collision Prevention / Connect Presentation / Connection Processor / Control Program / Copy Protection / Chat Post (a chat message) / Customer Premises CP/M Control Program for Microcomputers / Control Program Master CPA Centralized/Bulk Power Architecture / Connect Presentation Accept CPC Call Progress Characterization / Cellular Phone Company / Circuit Provisioning Center CPCS Common Part Convergence Sublayer CPD Central Pulse Distributor CPE Consumer Provided Equipment / Customer Premises Equipment CPFM Continuous Phase Frequency Modulation CPH Characters Per Hour / Cost Per Hour CPI Characters Per Inch (usually cpi) / Code Page Information (file format) / Common Part Indicator / Common Programming Interface / Computer to PABX Interface / Computer to PBX Interface / Corrupt Programming International CPIC Common Programming Interface for Communications CPI-C Common Programming Interface for Communications CPIW Customer Provided Inside Wiring CPL Characters Per Line (usually as cpl) / Combined Programming Language / Control Panel Layout / Current Privilege Level / Control Program for Microcomputers / Copies Per Minute / Cost Per Minute CPMP Carrier Performance Measurement Plan CPMU COSINE Project Management Unit CPN Calling Party Number CPO Corporate Product Operations CPODA Contention Priority Oriented Demand Assignment CPP Calling Party Pays / Corporate Planning Process CPR Connect Presentation Reject CPS Characters Per Second (usually as cps) / Cycles Per Second CPSR Computer Professionals for Social Responsibility CPTWG Copyright Protection Technical Working Group CPU Central Processing Unit CR Carriage Return (ASCII) / Connect Request / Control Register CRAFT Can't Remember A F**king Thing CRAM Card Random Access Memory / Computational Random Access Memory CRAP Completely Redundant Array of Pointers (programming) CRAS Cable Repair Administrative System CRBT Crying Real Big Tears CRC Class, Responsibility, and Collaboration / Customer Record Center / Customer Return Center / Cyclic Redundancy Check / Cyclical Redundancy Checking CRCG Common Routing Connection Group CREF Computer Ready Electronic File (guideline) CREG Concentrated Range Extension and/with Gain CREN Corporation for Research and Educational Networking CRF Cable Retransmission Facility CRFMP Cable Repair Force Management Plan CRG Central Resource Group CRIS Customer Record Information System CRM Courtesy Reply Mail CRN Computer Reseller News CRQ Call Request CRS Cell Relay Service / Centralized Results System / Configuration Report Server CRSAB Centralized Repair Service Answering Bureau CRSO Cellular Radio Switching Office CRT Cathode Ray Tube [the video screen] CRTC Canadian Radio & Television Commission CRUD Created, Retrieved, Updated, or Deleted CRUS Create / Retrieve / Update / Delete CS Capability Set (One or Two) / Card Services / Carrier Selection / Code Segment / Convergence Sublayer / Coordinated Single-layer / Customer Service / Cursor Stability (isolation level) CSA Canadian Standards Association / Carrier Servicing Area / Confederate States of America / Covenant,Sword,and Arm of the Lord CSACC Customer Service Administration Control Center CSAR Centralized System for Analysis Reporting CSC Cell Site Controller / Computer Sciences Corporation / Customer Support Center / Customer Support Consortium C-SCANS Client-Systems Computer Access NetworkS CSCC (IEEE Computer Society) Computer Standards Coordinating Committee CSCW Computer Supported Co-operative Work CSD Circuit Switched Data / Corrective Service Diskettes CSDC Circuit Switched Digital Capability CSDN Chinese Software Distribution Network / Circuit - Switched Data Network CSE Coordinated Single-layer Embedded CSELT Cèntro Studi e Laboratòri Telecommunicazioni (Telecommunications Study Center and Labo CSFS Cable Signal Fault Signature CSG Chuckle Snicker Grin / Corporate Systems Group CSI Convergence Sublayer Indication CSID Calling Station Identification CSIM Client Side Image Map CSL Computer Systems Laboratory CSLIP Compressed Serial Line Internet Protocol CSLT Customized System Load Tape CSM Computer Systems Manufacturing / Corrupt Society Magazine CSMA Carrier Sense Multiple Access CSMA/CA Carrier Sense Multiple Access / Collision Avoidance CSMA/CD Carrier Sense Multiple Access - Collision Detection CSMC Communications Services Management Council CSMUX Carrier Switched Multiplexer CS-MUX Carrier Switched Multiplexer CSN Carrier Service Node CSNET Computer and Science (Research) Network / Computer Science Network CSO Central Services Organization / Complimentary Solutions Organization CSP Coin Sent Paid / Commerce Service Provider / Compucom Speed Protocol CSPDN Circuit Switched Public Data Network CSPP Computer Systems Policy Project CSR Cell Missequenced Ratio / Centrex Station Rearrangement / Customer Service Record / CyberScout Roundtable CSR-T Communications Standard Review - Telecommunications CSS Cascading Style Sheets / Computer Special Systems / Computer Sub-System / Conceptual Signaling and Status / Controlled Slip Second CSSE Computer Services System Engine CSSFE Controlled Slip Second, Far End CSSG Customer Service Solutions Group CSSM Common Security Services Manager CSTA Computer Supported Telecommunications Applications / Computer Supported Telephony Appl C-STEP Cultural,Societal,Technological,Economic,Political CSTO Computer Systems Technology CSU Channel Service Unit / Careers Services Unit / Central Switching Unit CSV Circuit Switched Voice / Comma Separated Values / Common Separated Variables CSY Can't Stop Yawning CT Call Transfer / CT Collection Time / Conformance Testing / Continuous Tone / Current Transformer / Computer Telephony / Current Transformer CTAK Cipher Text Auto Key CTB Cache Transfer Bus CTC Canadian Telephone Corporation / Central Test Center CTCP Client-To-Client-Protocol CTCS Category Theory and Computer Science CTD Cell Transfer Delay CTERM Command TERMinal (protocol) CTI Computer Telephone Integration / Computer Telephony Integration / Computers in Teaching Initiative CTIA Cellular Telecommunications Industry Association CTIP (Commission on) Computing, Telecommunications, and Information Policies CTISS Computers in Teaching Initiative Support Service CTM Contact Trunk Module / Cordless Terminal Mobility CTMS Carrier Transmission Measuring System CTN Corporate Telecommunication Network (With ETSI, the acronym used is CN). CTNE Compañia Telefónica Nacional de España (National Telephone Company of Spain) CTO Call Transfer Outside / Chief Technology Officer CTOS Convergent technologies Operating System CTP Computer To Plate (technology) CTR Currency Transaction Report CTRG Collaboration Technology Research Group CTS Carpal Tunnel Syndrome (a wrist injury caused by repetitive activity such as typing with bad posture) / Clear to Send / Clear To Send Signal / Communications Technology Satellite / Configuration Technical Specialist / Conformance Testing Service CTSLAN Conformance Testing Service Local-Area Network CTSS Compatible Time Sharing System / Cray Time Sharing System CTSWAN Conformance Testing Service Wide - Area Network CTT Cartridge Tape Transport CTTC Cartridge Tape Transport Controller / Copper To The Curb CTTH Copper To The Home CTTN Cable Trunk Ticket Number CTTY Console TeleTYpe CTV Cell Tolerance Variation CTY Console TeleType CU See You (as in Goodbye) Cracking Up / Common Update / Computer Underground / Control Unit / Customer Unit / Computer Underground / CUA Commonly Used Acronym(s) / Common User Access CUB Closed User Group CUCO Commission on University Career Opportunity CUCRIT Capital Utilization Criteria CUD Celerity Utilities Division / Computer Underground Digest CUG Closed User Group CUHS Computer Underground Historical Society CUI Centre Universitaire d'Informatique / Common User Interface CUL Catch You Later (Goodbye) / See you later CUL(8R) see you later CUL8er See You Later CUL8R See you later CUM Cult of the Uncircumcised Masturbater CUNT yeah yeah - real funny - get lost CUNY City University of New York CURL Consortium of University Research Libraries (UK) CUSI Configurable Unified Search Interface CUT Control Unit Terminal cuz because CV Code Violation CVAL&E Computer Viruses, Artificial Life, and Evolution CVALE Computer Viruses, Artificial Life, and Evolution CVCP Code Violation, CP-bit Parity / Committee of Vice-Chancellors and Principals CVCRC Code Violation, Cyclical Redundancy Check CVDQ Computer Virus Developments Quarterly CVF Compressed Volume File CVFE Code Violation, Far End CVO Commercial Vehicle Operation CVP Code Violation, "P" bit CVPR Computer Vision and Pattern Recognition CVR Compass Voice Response CVSD Continuous Variable Slope Delta (modulation) CVTC Conversational Voice Technologies Corporation CW Call Waiting / Continuous Wave / Cyber Warriors CWARC Canadian Workplace Automation Research Center CWC City-Wide Centrex CWD Call Waiting Deluxe CWI Centrum voor Wiskunde en Informatica (Center for Mathematics and Information) CWIS Campus Wide Information System CWT Call Waiting CWYL Chat With You Later CYA See Ya / Cover Your As* CYAL8R See You Later (Seeyalata) CYBORG CYBernetic ORGanism CYMK Cyan Yellow Magenta Key CYREC Cyberspace Research and Education Center D Data channel (ISDN) D&C Duck & Cover D/A Digital to Analog / Digital-Analog D/L Download, transmit to you d:-) Wearing a Cap d00d dude D2T2 Dye Diffusion Thermal Transfer DA Data Available / Desk Accessory / Destination Address / Digital Audio / Directory Assistance DAA Data Access Arrangement DAAC Distributive Active Archive Center DAC Digital Analog Converter / Dual Attachment Concentrator DACC Directory Assistance Call Completion DACD Directory Access Control Domain DACS Digital Access Cross-connect System / Directory Assistance Charging System DAD Draft Addendum DADC Digital Audio Disc Corporation DAEMON Disk And Execution Monitor DAF Directory Authentication Framework DAG Defense Agencies Group DAIS Distributed Automatic Intercept System DAK Data Acknowledge / Dead At Keyboard DAL Data Access Language / Data Access Line DALNET DA Lamers Net DAM Data Access Manager DAMA Data Assigned Multiple Access / Demand Assigned Multiple Access DAMIFINO Damn if I know DAMP Demand Analysis Manufacturing Planning DAN Departmental Area Network DAO Data Access Object / Directory Assistance Operator DAP Data Access Protocol / Directory Access Protocol / Document Application Profile DARC Division Alarm Recording Center DARFC Ducking And Running For Cover DARPA Defense Advanced Research Projects Agency DART Data Access and Retrieval Technologies (group) DARTNET Defense Advanced Research Testbed Network (usually as DARTnet) DARU DAIS Audio Response Unit / Distributed Automatic Response Unit DAS Device Access Software / Directory Assistance System / Disk Array Subsystem / Distributor And Scanner / Dual Attachment Station / Dynamically Assigned Sockets DASD Direct Access Sotrage Device DASH Dell Advanced SCSI Host DASP Digital Assisted Services Program DASS Design Automation Standards Subcommittee DAS-WAT Distributor And Scanner - Watch Dog Timer DASWDT Distributor And Scanner Watch Dog Timer DAT Digital Audio Tape / Digital Audio Tap / Duplicate Address Test DATAEASE Doesn't always terminate after exiting and slows everything / Don't attempt to aquire, everything always shows errors DATTA District Attorneys' Technology Theft Association DATU Direct Access Testing Unit DAV Data Above Voice DAVE Do Anything Very Easily DAVID Digital Audio-Video Interactive Decoder DAX Developer API eXtensions DB Database / Decibel (usually as dB) DBA Adjusted Decibel / Data Base Administrator / Digital Business Architecture / Doing Business As DBAC Data Base Administration Center DBAS Data Base Administration System DBC Data Base Creator / Digital Business Center DBCS Double - Byte Character Set DBF Dynamic Beam Forming DBIT Delivery (confirmation) Bit DBL DOS Batch Language DBM DataBase Manager / Decibels per Milliwatt (dBm) DBMS Data Base Management System DBN Doing Business Not DBOD Distribution Board of Directors DBR DOS Boot Record DBS DataBase Service / Demand Broadcast System / Direct Broadcast Satellite / Duplex Bus Selector DBTG DataBase Task Group DBX Digital Branch Exchange DC (modem) Data Compression / Data Cartridge / Direct Current / Disconnect Confirm DCA Defense Communications Agency / Digital Communications Associates, Inc. / Document Content Architecture DCAA Dual Call Auto Answer DCAM Distributed Computing Application Management DCASR Defense Contract Administration Services Region DCB Data Control Block / Directory Cache Buffer DCC Direct Client to Client / Data Collection Computer / Data Communications Channel / Data Country Code / Digital Compact Cassette / Digital Customer Center / Direct Cable Connection DCD Data Carrier Detect (signal) DCE Data Circuit Terminal Equipment / Data Circuit-terminating Equipment / Data Communications Equipment / Distributed Computing Environment DCEC Defense Communications Engineering Center DCE-RPC Distributed Computing Environment Remote Procedure Call DCF Data Communications Function DCH D Channel Handler DCI Display Control Interface DCIU Data Communications Interface Unit DCL Data Control Language / Digital Command Language DCLU Digital Carrier Line Unit DCM Digital Carrier Module DCMS Distributed Call Measurement System DCMU Digital Concentrator Measurement Unit DCN Data Communications Network / Declaration Control Number DCO-CS Digital Central Office-Carrier Switch DCOM Distributed Component Object Model DCP Demand for Critical Parts / Device Color Profile / Digital Communications Protocol / Duplex Central Processor DCPR Detailed Contuing Property Record (PICS/DCPR) DCPSK Differential Coherent Phase Shift Keying DCR Direct Current Resistance DCS Data Circuit Switches / Defined Context Set / Desktop Color Separation / Desktop Color System / Digital Communication System / Digital Cross-connect System / Distributed Computing System DCSS Digital Customized Support Services / Discontiguous Shared Segments DCT Digital Carrier Trunk DCTN Defense Commercial Telecommunications Network DCTS Dimension Custom Telephone Service DCU Digital Credit Union DD Data Definition / Definition Description (HTML) / Depacketization Delay / Double Density DDA Disk Drive Adaptor / Domain Defined Attribute DDAP Digital Distribution of Advertising for Publications DDB Distributed DataBase DDBMS Distributed DataBase Management System DDC Direct Department Calling / Direct Distance Calling DDCF Distributed Document Component Facility DDCMP Digital Data Communications Messaging Protocol DDD Digital Diagnostic Diskette / Direct Distance Dialing DDE Dynamic Data Exchange DDEML Dynamic Data Exchange Management Library DDF Data Description File DDFA DTC Device File Access (Utilities) DDFII Data Description File for Information Interchange DDGL Device Dependent Graphics Layer DDH Digital Distributed Hardware DDI Direct Dialing In DDial Diversi-Dial DDIF Digital Document Interchange Format DDK Device Driver Kit DDL Data Definition Language / Data Description Language / Database Definition Language / Database Description Language / Dynamic Data Link DDM Distributed Data Management DDN Defense Data Network / Defense Department Network DDN-NIC Defense Data Network Network Information Center DDOV Digital Data Over Voice DDP Datagram Delivery Protocol / Direct Distribution Panel / Distributed Data Processing DDR Data descriptive Record DDS Dataphone Digital Service / Digital Dataphone Service / Digital Data Service / Digital Data System / Digital Data Storage / Digital Distributed Software / Document Distribution Service DDT Don't Do That / DEC Debugging Tape / Dynamic Debugging Tool DDVT Dynamic Data Visualization (development) Tool DDX Distributed Data eXchange DE Discard Eligibility/Eligible DEA Data Encryption Algorithm / Drug Enforcement Agency DEB Directory Entry Block DEBI DMA Extended Bus Interface DEBIES DDAP Electronic Business Information Exchange Specification DEC Do Expect Cuts / Digital Equipment Corporation DECDNS Digital Equipment Corporation Distributed Name Service (usually as DECdns) DECDTM Digital Distributed Transaction Manager DECMCC Digital Equipment Corporation Management Control Center (usually as DECmcc) DECNET Digital Equipment Corporation Network architecture (usually as DECnet) DECNMS Digital Network Measurement System DECT Digital European Cordless Telephone DECTP Digital Transaction Processing DECUS Digital Equipment Corporation User's Society DEF Direct Equipment Failure DEK Data Encryption Key DEL Delete (DOS) DEMPR Digital Equipment Corporation MultiPort Repeater DEN Digital Echo News DENI Department of Education for Northern Ireland DEPBA Digital Exchange Pirate Board Alliance DER Distinguished Encoding Rules DERP Defective Equipment Replacement Program DES Data Encryption Standard / Defense Encryption Standard / Destination End System / Digital Encryption Standard / Distributed End System DES-CBC Data Encryption Standard - Cipher Block Chaining DESIRE Directory of European Information Security Standard Requirements DET Directory Entry Table DETLA Double Extended Three Letter Abbreviation DEU Dead - End User DEW Distant Early Warning (line) dewd dude DF Direction Flag / Distributing Frame DFA Design For Assembly DFD Data Flow Diagram DFDSS Data Facility DataSet Services DFEP Diagnostic Front End Processor DFG Data Flow Graph DFHSM Data Facility Hierarchical Storage Manager DFI Digital Facility Interface DFL Distributed Feedback Layer DFLA Damn Four Letter Acronym DFM Design For Manufacturing DFMS Digital Facility Management System DFN Deutsches Forschungsnetz DFP Digital Free Press / District Focus Person DFR Document Filing and Retrieval DFS Distributed File Service / Distributed File System DFSK Differential Frequency Shift Keying DFSMS Data Facility Sotrage Management Subsystem DFT Design for Test(ing) / Distributed Function Terminal DFWMAC Distributed Foundation Wireless Medium Access Control DGITA Digital Graphic Imaging Technical Association (previously SGAUA) DGPS Differential Global Positioning System DG-UX Data General UniX DH Dear Husband (also Dear Hubby, Duh Hubby and of course Dick Head) DHA Destination Hardware Address DHCP Dynamic Host Configuration Protocol DHHS Department of Health and Human Services DHT Directory Hash Table DHTML Dynamic HyperText Markup Language DI Delete Inhibit / Destination Index DIA Defense Intelligence Agency / Document Interchange Architecture DIAC Directions and Implications of Advanced Computing DIAFYO Did I Ask For Your Opinion DIAG Datasets Inter Agency Group DIAL Digital Idle Asset Listing DIB Device Independent Bitmap (graphic format) / Directory Information Base DIBI Device Independent Backup Interface DIBOL DIgital Business Oriented Language DIC Digital Interface Controller DICE Digital Interactive Consumer Electronic (machines) DID Destination ID / Direct Inward Dialing DIDC Data Input and Distribution Card DIF Data Interchange Format / Digital Interface Frame / Documentation Interchange Format DIFMOS Double Injection Floating-gate Metal Oxide Semiconductor DIGEST Digital Electronic Signature Test (usually as DigEST) DIGI Deutsche Interessengemeinschaft Internet (German Special Interest Group for Internet) DIGL Device Independent Graphics Layer DIIG Digital Information Infrastructure Guide DIIK Damned If I Know DILLIGAD Do I look like I give a darn?! DILLIGAF Do I look like I give a f*#k?! DILLIGAF? Do I look like I give a F#%k? DILLIGAFF Do I look Like I give a Flying Figment? DIM Data In the Middle / Demand Integration Meeting / Desktop Information Manager DIMA Data Information Management Architecture DIMM Dual In-line Memory Module DIN Deutsche Industrie Norm / Deutsche Ingineering Normilization / Deutsches Institut fur DINS Digital Information Network Service DIP Dual In-Line Package DIPE Distributed Interactive Processing Environment DIR Directory (DOS) DIS Defense Investigative Service / Digital Information Systems / Draft International Standard / Dynamic Impedence Stabalization DISA Data Interchange Standards Association / Defense Information Systems Agency / Direct Inward Switch Access / Direct Inward System Access DISER Digital Information Systems External Resources DISERF Data Interchange Standards Education and Research Foundation DISN Defense Information Systems Network DISOSS DIStributed Office Support System DISP Directory Information Shadow Protocol DIT Directory Information Tree DITUIHIBMSL Did I Tell You I Hate IBMs Lately DITUILIBMSL Did I Tell You I Love IBMs Lately DIU Digital Interface Unit DIW D-Inside Wire DIX DEC - Intel - Xerox (connector) DIZ Description In Zip DJNR Dow Jones News Retrieval (online service) DL Download / Data Link / Definition List / Den Leader / Direct Labor / Distribution List DLAMLT Don't look at me like that! DLC Data Link Control / Distributed Loop Carrier / Digital Loop Carrier DLCF Data Link Control Field DLCI Data Link Connection Identifier/Identification DLCU Digital Line Carrier Unit DLE Data-Link Escape (ASCII) DLL Data Link Layer / Dial Long Lines / Dynamic Link Library DLM Data Line Monitor / Distributed Lock Manager DLN Digital Library Network DLO Data Line Occupied DLOC Dark Lords Of Chaos DLP Digital Light Processing DLPI Data Link Provider Interface DLS Data Link Services / Dial Line Service / Digital Link Service / Document Library Services DLSAP Data Link-layer Service Access Point DLSDU Data Link-layer Service Data Unit DLSW Data Link SWitching (usually as DLSw) DLT Digital Linear Tape DLTBBB Don't Let The Bed Bugs Bite DLTU Digital Line - Trunk Unit DLU-PG Digital Line Unit - Pair Gain DLUPG Digital Line Unit Pair Gain DLVA Detector Logarithmic Video Amplifier DM Dead Memory / Delta Modulation / Dimension Modeling / Disconnected Mode / Distributed Management DMA Direct Memory Access (channel) DMCL Digital Modem Command Language DMCR Debug Mode Control Register DMD Directory Management Domain DMDD Distributed Multiplexing Distributed Demultiplexing DME Digital Management Education / Distributed Management Environment DMF Distributed Management Framework / Distribution Media Floppy / Distribution Media Format DMI Definition of Management Information / Desktop Management Interface / Digital Multiplexed Interface DML (SQL) Database Manipulation Language / Data Manipulation Logic DMM Digital Multi-Meter / District Manufacturing Manager DMO (SQL) Distributed Management Objects / Domain Management Organization DMOS Diffusion Metal Oxide Semiconductor / Double-diffused Metal Oxide Semiconductor DMPDU Derived Medium access control Protocol Data Unit DMS Data Management System/Services / Defense Messaging System / Digital Multiplex(ed) Switch/System / Diskless Management Service DMSS Distribution, Marketing, Sales and Service DMT Design Maturity Test / Discrete MultiTone DMTF Desktop Management Task Force DMU Data Manipulation Unit DN Directory Number / Distinguished Name / Distribution Network / Domain Name / Down DNA DEC Network Architecture / Defense Nuclear Agency / Digital Named Accounts / Digital Network Architecture / Digital News Associates / Digital Noise Alliance / Distributed Network Architecture / Deoxyribonucleic acid DNC Dynamic Network Controller DND Do Not Disturb DNDO Do Not Disturb Override DNDS Distributed Network Design System DNHR Dynamic Non-Hierarchical Routing DNIC Data Network Identification Code DNIS Dialed Number Identification Service DNP Distributed Network Processing DNPM Darn (Damn) Near Pis*ed Myself DNR Data Network Routing / Dialed Number Recorder / Digital Number Recorder DNS Domain Name Service / Domain Naming System / Domain Name System / Domain Name Server DNX Dynamic Network Cross-Connect (X-connect) DO Distributed Object DOA Dead On Arrival / Distributors Of Anarchy DOAM Distributed Office Applications Model DOC Department of Communications (in Canada) / Document, 3. Dynamic Overload Control / Dynamic Overload Control DOCS Display Operator Console System DOD Department of Defense / Direct Outward Dialing DOE (U.S.) Department Of Energy / Department of Energy DOI Distributed Object Infrastructure DOJ Department of Justice DOM Data On Master (group) / District Operations Manager DOMF Distributed Object Management Facility DOMS Distributed Object Management System DOMSAT Domestic Satellite (service) DON Department Of the Navy DONACS Department Of the Navy Automation and Communication System DOP Directory Operational Protocol DORK Domestic Organization for Real K???? DOS Defective Operating System / Disc Operating System DOSBS Data Over Speech Bearer Service DOT (U.S.) Department Of Transportation DOTS Digital Office Timing Supply DOV Data Over Voice DOW Direct Over-Write (technology) DP Data Processing / Demarcation Point / Dial Pulse / Draft Proposal / Dial Pulse DPA Demand Protocol Architecture / Distributed Power Architecture / Document Printing Application DPAC Dedicated Plant Assignment Center DPAM Demand Priority Access Method DPANS Draft Proposed American National Standard (usually as dpANS) DPB Drive Parameter Block DPC Data Processing Center / Deferred Procedure Call / Destination Point Code / Direct Program Control DPCM Differential Pulse Code Modulation DPE Data Path Extender DPG Dedicated Packet Group DPI Dot Pitch Integer / Dots Per Inch DPL Dedicated Private Line DPLL Digital Phase Locked Loop DPM Data Processing Manager DPMA Data Processing Management Association DPMI DOS Protected Mode Interface DPMS Display Power Management Signaling / DOS Protected Mode Services DPNPH Data Packet Network - Packet Handler DPN-PH Data Packet Network - Packet Handler DPO Dial Pulse Originating DPP Discounted Payback Period / District Partner Program DPSC Defense Personnel Support Center DPSK Differential Phased Shift Keying DPSS (Los Angeles County) Department of Public Social Services DPSWG Digital Privacy and Security Working Group DPT Dial Pulse Terminating / Distributed Processing Technology DQDB Distributed Queue Dial Bus DQL DataEase Query Language DQT Design Quality Test DR Data Ready / Data Receive / Delivery Report / Digital Research / Disconnect Request DRAM Dynamic Random Access Memory DRC Data Resource Center DRDA Distributed Relational Database Architecture / Access DR-DOS Digital Research Disk Operating System DREF Distribution Research and Education Foundation DRMU Digital Remote Measurement Unit DRN Data Routing Network DROOL Dave's Recycled Object - Oriented Language DRP DECnet Routing Protocol / Directory Replication Protocol / Distribution Resource Planning DRPF Decimal Reference Publication Format DRS Data Rate Selector DRT Digital Real Time DS Data Segment / Data System / Digital (carrier) Span / Digital Service / Directory Service / Direct Signal / Digital Signal (level 0 - 3) / Digital Stream (1, 1C, 2, 3, 4) / Diskless Support / Distributed Single-layer / Document Storage / Double-Sided / Draft Standard / Dual Scan / Dansk Standardiseringsrad (Danish Board for Standardization) / Digital Carrier Span DS/DD Double Sided / Double Density DS/HD Double Sided / High Density DS0 Digital Signal (level) Zero DSA Decimal Shift and Add (algorithm) / Dedicated Switched Access / Destination Software Address / Digital Storage Architecture / Decimal Shift and Add (algorithm) / Directory Service Agent / Directory System Agent / Directory Service Area / Directory System Alert / Distributed Systems Architecture DSAD Digital Storage Architecture for Disk DSAP Data link Service Access Point / Destination Service Access Point DSAT Digital Storage Architecture for Tape DSB Double SideBand DSBAM Double-SideBand Amplitude Module DSBFC Double SideBand Full Carrier DSBSC Double SideBand Suppressed Carrier DSC Data Stream Compatibility / Direct Satellite Communications / Document Structuring Conventions DSD Data Structure Definistion / Distributed Self Discovery DSDC Direct Service Dial Capability DSDF Digital Standard Disk Format DSDS Dataphone Switched Digital Service DSE Data Switching Equipment / Distributed Single-layer Embedded / Distributed System Environment / DSA Specific Entry DSI Data Subscriber Interface / Digital Speech Interpolation DSID Destination Signaling IDentifier DSIN Digital Software INformation DSL Digital Subscriber Line DS'L Doctor Stein's Laboratories DSLA Digital Software Licensing Architecture DSLAM Digital Subscriber Line Access Multiplexer DSLO Distributed System License Option DSM Diagnostic System Manager / Digital Standard MUMPS / Distributed Switching Matrix / Distributed Systems Manufacturing / District Sales Manager DSMA Digital Sense Multiple Access DSMC Digital Service Monthly Charge DSN Data Source Name / Defense Switched Network / Digital Services Network / Digital Signal (Level) N DSO Days Sales Outstanding / Digital Storage Oscilloscope DSOM Distributed System Object Model DSP Defense Standardized Profit / Digital Signal Processor / Directory System Protocol / Domain Specific Part DSPU DownStream Physical Unit DSR Data Send/Set Ready / Date Set Ready / Dynamic Service Register DSRI Digital Standard Relational Interface DSS Data Station Selector / Decision Support System / Digital Satellite System / Digital Signal Standard / Digital Signature Standard / Digital Subscriber Service / Digital Subscriber Signaling / Direct Station Selection / Distributed Security Service DSS/BLF Direct Station Selection / Busy Lamp Field DSS1 Digital Subscriber Signaling (system No.) 1 DSSI Digital Small Storage Interconnect / Digital Storage Systems Interconnect DSSSL Document Style, Semantics, and Specification Language DSTAR Digital System Technical Architecture Research DSTP Data Source Transfer Protocol DSU Data Service Unit / Digital Service Unit DSUWG Data Systems Users Working Group DSVD Digital Simultaneous Voice and Data DSV-IS Design, Specification and Verification of Interactive Systems DSVIS Design, Specification and Verification of Interactive Systems DSX Digital Signal Cross-Connect (X-Connect) DT Data Transfer / Data Transmit / Definition Term / Detection Threshold / Dial Tone / Di-group Terminal DT&E Development Test and Evaluation DTA Disk Transfer Area DTAM Document Transfer, Access, and Manipulation DTAS Digital Test Access System DTC Data Technology Corporation / Datacommunications and Terminal Controller / Digital Trunk Controller / Di-group Terminal Controller / Distributed Transaction Coordinator DTD Document Type Definition DTDS Disaster Tolerant Disk Systems DTE Data Terminal Equipment DTF Dial Tone First DTFS Direct Tape File System DTG Direct Trunk Group DTI Dark Towers International / Department of Trade and Industry / Digital Trunk Interface DTIF Digital Tabular Interchange Format / Digital Transmission Interface Frame DTMF Dual Tone Modulation Frequency / Dual-Tone-Multi-Frequency DTN Digital Telephone Network DTP DeskTop Publishing / Distributed Transaction Processing DTR Data Terminal Ready (signal) / Dedicated Token Ring / Draft Technical Report DTRT Do The Right Thing DTS Data Transfer System / Deposit Tracking System / Digital Termination Service/System / Digital Transcoding Switch / Digital Transmission System / Distributed Terminal Subsystem / Distributed Time Service DTST Dial Tone Speed Test DTSX Data Transport Station for X.25 DTU Di-group Terminal Unit DTV Desktop Video DU Data Unit DUA Dallas Underground Association / Directory User Agent DUART Dual Universal Asychronous Receiver Transmitter DUCWIC Do You See What I See? DUCWIM Do You See What I Mean? DUHWIH Do You Hear What I Hear? DUN Dial-Up Networking DUSR Digital Authorized Used Systems Resellers DUV Data Under Voice DUX Digital Voice eXchange DV Digital Video DVB Digital Video Broadcasting DVC Digital Video Cassette / Digital Video Conference DVD Digital Versatile Disk / Digital Video Disk DVDROM Digital Versatile Disk Read Only Memory DVD-ROM Digital Versatile Disk Read Only Memory DVE Digital Video Effects DVI Digital Video Interactive/Interleaved DVM Data Voice Multiplexor DVMRP Distance Vector Multicast Routing Protocol DVN Digital Video Network DVT Design Verification Test DVX Digital Voice Exchange DW Data Warehousing DWCI DecWindows Compiler Interface DWI Doc Writers Incorporated DWIM Do What I Mean DWIMC Do What I Mean, Correctly DWISNWID Do What I Say Not What I Do DXC Digital Cross-Connect DXF Data eXchange Format (graphic format) DXI Data eXchange Interface DYJHIW Don't you just hate it when... DYLAN DYnamic LANguage E Exponent (commonly used in large numbers, ie: 3.20E8) E&M Ear and Mouth E&MD Engineering and Manufacturing Development E&P Exploration and Production (industry) E.B.E. Extraterrestrial Biological Entity [X-Files] E1 European 1 E2EG Ear to Ear Grin E3 European 3 E911 Enhanced 911 (emergency services) EA Electronic Arts / Expedited Acknowledgment / Explorer Advisor / Extended Attribute EAAT Equal Access Alternative Technologies EADAS Engineering and Administrative Data Acquisition System EADAS/NM EADAS/Network Management EADASNM Engineering and Administrative Data Acquisition System Network Management EAEO Equal Access End Office EAP Employee Assistance Program EAR Export Administration Regulations EARN European Academic and Research Network - See TERENA EAROM Electrically Alterable Read Only Memory EAS Extended Announcement System / Extended Area Service EASD Equal Access Service Data EASE Embedded Advanced Sampling Environment EASINET European Academic Supercomputer Initiative Network (usually as EASINet) EAX Electronic Automatic Exchange EB Erlang B EBBS Electronic Bulletin Board System EBCDIC Extended Binary Code - Decimal Interchange Code EBDI Electronic Business Data Interchange EBIOS Extended Basic Input/Output System EBONE European Backbone EBR Extended-partition Boot Record EC Electronic Commerce / Error Correction / European Commission / European Community / Exchange Carrier(s) ECAD Engineering Computer Aided Design ECAI European Conference on Artificial Intelligence ECAP Electronic Customer Access Program ECASH Electronic Cash E-CASH Electronic Cash ECB Electronic Code Book / East Coast Crackers / Enter Cable Change / Error Checking and Correcting (memory) / Error Correction Code ECCS Economic C (Hundred) Call Seconds ECD Electronic Cash Disbursements ECE Economic Commission for Europe ECF Enhanced Connectivity Facility ECFA Electronic Communications Forwarding Act ECITC European Committee for Information technology Testing and Certification ECL Emitter-Coupled Logic / End Communication Layer / Error Code Logging ECM Error Correction Mode / Executive Card Manager ECMA European association for standardizing information and communication systems / European Computer Manufacturers Association ECN Explicit Congestion Notification ECNE Enterprise Certified NetWare Engineer / Enterprise Certified Novell Engineer ECO Economic Competitive Opportunity (analysis) / Engineering Change Order ECOM Electronic Computer Originated Mail E-COM Electronic Computer Originated Mail ECOOP European Conference on Object Oriented Programming ECOS Extended Communications Operating System ECP Enhanced Communications Port / Extended Capabilities Port ECPA Electronic Communications Privacy Act (of 1986) ECPT Electronic Coin Public Telephone ECR Engineering Change Request / (OpenView) Event Correlation Services / Electronic Cross-connect System / Enhanced ChipSet ECS Event Communication Service ECSA Exchange Carriers Standards Association ECTEI European Conference of Telecommunications and Electronics Industries ECTP Ethernet Configuration Test Protocol ECU European Currency Unit ED End Delimiter / EWOS Document / Exception Data / Expedited Data / Extra high Density EDA Embedded Document Architecture / Enterprise Data Access EDAC Electromechanical Digital Adaptor Circuit / Error Detection And Correction EDC Engineering Data Center / Error Detection and Correction / Error Detection Code EDD Electronic Document Delivery EDF Execution Diagnostic Facility EDFA Erbium - Doped Fiber Amplifier EDFG Edge Device Functional Group (ATM Forum) EDI Electronic Data Interchange / Electronic Document Interchange EDIA Electronic Data Interchange Association EDICUSA Electronic Data Interchange Council of the United States of America EDIF Electronic Data Interchange Format EDIFACT Electronic Data Interchange for Finance, Administration, Commerce and Transport EDIM Electronic Data Interchange user agent Message EDIME Electronic Data Interchange Messaging Environment EDIMG Electronic Data Interchange Messaging EDIMS Electronic Data Interchange Messaging System EDIN Electronic Data Interchange Notification EDINA Edinburgh Data & Information Access / Electronic Data Interchange User Agent EDL Edit Decision List EDM Enterprise Desktop Manager EDMD Electronic Document Message Directory EDMS Electronic Document Management System / Engineering-Design Management System EDN Expedited Data Negotiation EDO Extended-Data Out (RAM) EDORAM Extended Data Out Random Access Memory EDP Electronic Data Processing EDPT Enhanced Drive Parameter Table EDRAM Erasable Dynamic Random Access Memory EDRS Engineering Data Resources Services EDS Electronic Data Systems Corp. EDSAC Electronic Delay Storage Automatic Calculator EDSD Electronic Document Segment Directory EDSX Electronic Digital Signal Cross-Connect/X-connect EDU Education Computer Systems / Educational (usually as .edu) EDVAC Electronic Discrete Variable Automatic Calculator EDWG ESnet DECnet Working Group EE End to End Signaling EEB Extended Erlang B EEC Electronic Equipment / European Economic Commission / European Economic Community EECT End-to-End Call Trace EEDP Expanded Electronic Dialing Plan /Expanded Electronic tandem switching Dialing Plan EEE Electronic Equipment Enclosures EEHO Either End Hop Off EEI Equipment-to-Equipment Interface / External Environment Interface EELED Edge Emitting Light Emitting Diode EEMA Electrical and Electronic Manufacturing Association / European Electronic Mail Association EEMAC Electrical and Electronic Manufacturing Association of Canada EEPG European Engineering Planning Group EEPROM Electrically Erasable Programmable Read-Only Memory EEST Enhanced Ethernet Serial Transciever EETDN End-to-End Transit Delay Negotiation EETLA Extraordinarily Extended Three Letter Acronym EEVL Edinburgh Engineering Virtual Library EF Enterprise Framework EFCI Explicit Forward Congestion Indication EFD Event Forwarding Discriminator EFF Electronic Frontier Foundation EFIN Electronic Filing Identification Number EFLA Extended Four Letter Acronym! EFRAP Electronic Feeder Route Analysis Program EFS End Frame Sequence / Error Free Second / Extended Facility Set / External File System / Electronic Funds Transfer EFTA European Free Trade Association EFTS Electronic Funds Transfer System EG Evil Grin / Experts Group EGA Enhanced Graphics Adapter EGCAE Experts Group for Command Application Environment EG-CAE Experts Group for Command Application Environment EGCT Experts Group for Conformance Testing EG-CT Experts Group for Conformance Testing EGDIR Experts Group on Directory EG-DIR Experts Group on Directory EGFT Experts Group on File Transfer EG-FT Experts Group on File Transfer EGLIB Experts Group for Library EG-LIB Experts Group for Library EGLL Experts Group Lower Layers EG-LL Experts Group Lower Layers EGMHS Experts Group for Message Handling System EG-MHS Experts Group for Message Handling System EGMMS Experts Group Manufacturing Message Specification EG-MMS Experts Group Manufacturing Message Specification EGNM Experts Group for Network Management EG-NM Experts Group for Network Management EGODA Experts Group for Office Document Architecture EG-ODA Experts Group for Office Document Architecture EGP Exterior Gateway Protocol EGTP Experts Group on Transaction Processing EG-TP Experts Group on Transaction Processing EGVT Experts Group on Virtual Terminal EG-VT Experts Group on Virtual Terminal EHA European Harmonization Activity EHF Extremely High Frequency EHLLAPI Emulator High Level Language Application Programming Interface EI Ending Inventory EIA Electronic Industries Association EIB Enterprise Information Base EIC Electronic Information Corporation EIDE Enhance Integrated Drive/Device Electronics EIES Electronic Information Exchange System EINET Enterprise Integration Network EINOS Enhanced Interactive Network Optimization System EIRP Effective Isotropic Radiated Power EIS Electronic Information Security / Enterprise Information System / Enterprise Integration Services / Executive Information System / Expanded Inband Signaling EISA Enhanced/Extended Industry Standard Architecture EISS Economic Impact Study System EIT Encoded Information Type EIU Extended Interface Unit EIUF European ISDN Users' Forum EJS Elite Justice Society EKTS Electronic Key Telephone Service / Electronic Key Telephone Sets EL ElectroLuminescent (display) ELAN Emulated Local Area Network (ATM Forum) ELAP EtherTalk Link Access Protocol ELD ElectroLuminescent Display ELDS Exchange Line Data Service ELEPL Equal Level Echo Path Loss ELF Employee Locater Facility / Extremely Low Frequency ELS Entry Level System EM End of Medium (ASCII) EMA Electronic Mail Association / Electronic Messaging Association / Enterprise Management Architecture EMACS Editing Macros EMAIL Electronic Mail E-MAIL Electronic Mail EMAPI Extended Messaging Application Programming Interface EMASHE Establishing Multimedia Authoring Skills in Higher Education EMB Embedded Memory Block EMC Electromagnetic Capacity / Electromagnetic Compatibility (directive) EMF Electro Motive Force / Electromagnetic Field / Enhanced Metafile Format EMI Electromagnetic Interference EML Expected Measured Loss EMM Expanded Memory Manager / Extended Memory Manager EMOS East Mediterranean Optical System EMOS1 East Mediterranean Optical System 1 EMOTICONS Emotion Icons (aka Smileys) EMP Electromagnetic Pulse EMPM Electronic Manuscript Preparation and Markup EMR Electromagnetic Radiation EMS Expanded Memory Specification / Extended Memory Service EMSG Email Message EMTAG Emerging Technologies Advisory Group (usually as EmTAG) EMUG European MAP/TOP Users' Group EMV European Mastercard VISA EMWAC European Microsoft Windows (NT) Academic Centre EN European Norm/Normes ENE Enterprise Networking Event ENET Ethernet ENFIA Exchange Network Facility for Interstate Access ENG Engineering ENIAC Electronic Numerical Integrator And Calculator ENQ ENQuiry (ASCII) / Inquiry ENS Enterprise Naming Service ENSDU Expedited Network Service Data Unit ENTELEC Energy Telecommunications and Electrical (association) EO End Office / Erasable Optic EOA End Of Address EOB End Of Burst EOC Embedded Operations Channel EOD End Of Day / End of Discussion EOE Electronic Order Exchange EOF End Of File / Enterprise Object Framework EOL End of Lecture / End Of Life EOM End Of Message EON End Of Number EOS Earth Orbiting Satellite / Element Of Service / Extended Operating System EOSDIS Earth Observing System Data and Information System EOT End Of Text / End Of Thread (i.e., don't reply to this message) / End Of Transfer / EOT End Of Transmission (ASCII) EOTC European Organization for Testing and Certification / End Of Toll Trunking / End Office Toll Trunking EP ElectroPhotographic (toner cartridge) / Emulation Program EPA Elite Programming Association / Environmental Protection Agency EPABX Electronic Private Automatic Branch Exchange EPAC Extended Privilege Attribute Certificate EPDM Enterprise Product Data Management EPG External Products Group EPHOS European Procurement Handbook for Open Systems EPI Engineering Process Improvement EPIC Effective Performance In Candidates / Electronic Privacy Information Center / Explicitly Parallel Instruction Computing / El Paso Intelligence Center EPL Electronic Program Language / Electronic (switching system) Program Language EPLS Engineering Price List System EPOS Electronic Point Of Sale EPP Enhanced Parallel Port / Executive Partner Program EPRCA Enhanced Proportional Rate Control Algorithm (ATM Forum) EPROM Erasable Programmable Read Only Memory EPS Encapsulated Post-Script EPSCS Enhanced Private Switched Communications Service EPSF Encapsulated PostScript Format EPSRC Engineering and Physical Sciences Research Council (formerly SERC) EQEEB Equivalent Queue Extended Erlang B ER Entity Relationship (modeling) / Error / Error Register ERA Entity Relationship Attribute / Extended Registry Attribute ERAR Error Return Address register ERD Event Report Discriminator EREP Environmental Recording Editing and Printing ERF Emergency Restoration Facility / Event Report Function ERL Echo Return Loss ERLL Enhanced Run Length Limited ERM Electronic Report Management ERMF Event Report Management Function ERO Electronic Return Originator ERP Effective Radiated Power / Enterprise Resource Planning ERTICO European Road Transport Telematics Implementation Coordinating Organization ERU Emergency Recovery Utility / Error Return address Update ES Elektro Shock / End System / Errored Second / Extra Segment ES&D Eat Shit and Die ESA Enterprise Systems Architecture / Errored Second, Type A / European Space Agency ESABATM Eat Sh*t And Bark at the Moon ESAC Electronic Surveillance Assistance Center ESAD Eat Sh*t And Die ESADMF Eat Sh*t and Die Mother F**ker ESAFE Errored Second, Type A, Far End ESAL Eat Sh*t And Live ESB Emergency Service Bureau (911) / Entry Systems Business / Errored Second, type B ESBFE Errored Second, Type B, Far End ESC Engineering Service Circuit ESCON Enterprise Systems Connection (architecture) ESCP Errored Second, CP-bit Parity ESCRC Errored Second, Cyclic Redundancy Check ESD Electronic Software Distribution / Electronic Systems Development / Electrostatic Discharge ESDI Enhanced Small Device Interface / Enhanced Small Disk Interface ESDP Educational Services Development and Publishing ESES End System to End System ES-ES End System to End System ESF Extended SuperFrame Format ESFE Errored Second, Far End ESG Engineering Systems Group ESH End System Hello ESIS End System to Intermediate System ES-IS End System to Intermediate System ESL Electronic Software Licensing / Emergency Stand-aLone ESLF Eastern Seaboard Liberation Front ESN Electronic Serial Number / Electronic Switched Network ESNET Energy Sciences Network ESO Engineering Support Operations / Entry Server Offering ESOC European Space Operations Center ESP Extra Sensory Perception / Ecstatic Sound Productions / Encapsulating Security Payload / Enhanced Serial Port / Enhanced Service Provider / Enhanced Serial Port / Errored Second, P-bit ESPRIT European Strategic Project for Research on Information Technology ESRC Economic and Social Research Council ESRI Environmental Systems Research Institute ESRIN European Space Research Institute ESS Electronic Switching System ESSX Electronic Switching System Exchange ESU Element Supervisor Unit ESUS Enhanced Single Unix Specification (sometimes as ESUS2) ESVN Executive Secure Voice Network ET Exchange Termination ET&Q Engineering, Technology, and Quality ETAS Emergency Technical Assistance ETB End of Transmission Block (ASCII) ETC Electronic Toll Collection / Evil Type Coercion ETCO European Telecommunications Consultancy Organization ETCOM European Testing for Certification of Office and Manufacturing (equipment) ETE End-To-End ETF Electronic Toll Fraud ETG EWOS Technical Guide ETIN Electronic Transmitter Identification Number ETIS Electronic Telephone Inquiry System ETL Electronic Testing Laboratory ETLA Enhanced TLA / Extended Three Letter Acronym/Abbreviation (ie more than three letters) ETN Electronic Tandem Network ETO Electronic Trading Opportunity ETR Early Token Release ETRI Electronics and Telecommunications Research Institute ETRI-PEC Electronics and Telecommunications Research Institute Protocol Engineering Center ETRIPEC Electronics and Telecommunications Research Institute Protocol Engineering Center ETS Education Technology Service / Electronic Tandem Switching / Electronic Translation System / European Telecommunications Standard / Executable Test Suite ETSACI Electronic Tandem Switching Administration Channel Interface ETSDU Expedited Transport Service Data Unit ETSI European Telecommunications Standards Institute ETSSP Electronic Tandem Switching Status Panel ETTM Electronic Toll and Traffic Management / Electronic Toll and Transaction Monitor ETX End of TeXt (ASCII) EU End User / European Union EUC Extended UNIX Code EUI End User Interface EULA End User License(ing) Agreement EUNET European UNIX Network EUPOT End User-Point of Termination EuroCAIRN European Co-operation for Academic and Industrial Research Ntworking EURO-ISDN European wide ISDN service EUROSINET European Open System Interconnect Network EUSR End User EUTELSAT European Telecommunications Satellite EUUG European UNIX Users Group EV Extreme Value EV86 Enhanced Virtual 8086 EVE European Videoconferencing Equipment / Extreme Value Engineering EVGA Expanded Video Graphics Array EW Electronic Warfare EWHCI East-West Human-Computer Interaction (conference) EWICS European Workshop on Industrial Computer Systems EWOS European Workshop on Open Systems EX Expedited EXCA Exchangeable Card Architecture (usually as ExCA) EXCOM Executive Committee EXP (or XP)Experience (Common MUD term) EZINE Electronic Magazine E-ZINE Electronic Magazine F Fahrenheit F&A Finance and Accounting / Finance and Administration F/G Finished Goods F2F Face to face (also meeting in person) / Flesh to Flesh F3I Form, Fit, and Function Interface FA Fuse Alarm FA&T Final Assembly and Test FAA Federal Aviation Administration FABS Financial and Administration Business Systems FACS Facilities Assignment and Control System FACT Federation of Automated Coding Technologies FADU File Access Data Unit FAFWOA for a friend without access FAIS Factory Automation Interconnection System FAL File Access Listener FAMOS Floating Gate Avalanche MOS FAN Facility Area Network FAPL Format And Protocols Language FAQ Frequently Asked Question(s) (and Answers.) FAQL Frequently Asked Questions List FAR Federal Acquisition Regulation FARNET Federation of American Research Network FAST Federation Against Software Theft / First Application System Test FAT File Access Table / File Allocation Table FAX Facsimile FB Files Busy FBE Free Buffer Enquiry FBI Federal Bureau of Investigations FBOD Finance Board of Directors FC (modem) Flow Control / Feedback Control / Fiber Channel / Fingers Crossed / Frame Control FCA Fiber Channel Association FCAP Facility CAPacity FCB File Cache Buffer / File Control Block FCC Federal Communications Commission / Federal Cracking Consortium / Forward Command Channel FCCSET Federal Coordinating Council on Science, Engineering, and Technology FCG False Cross or Ground / Format Computer Graphics FCI Frame Copied Indicator (bit) FCIC Federal Computer Investigations Committee FCL Fibre Channel Loop FCO Field Change Order FCR First Customer Release FCS Fast Circuit Switching / Fiber Channel Standard / File Control System / First Customer Ship / Frame Check Sequence FCSI Fiber Channel Systems Initiative FCST Forecast FCT Fundamentals of Computation Theory FCVC Flow Controlled Virtual Circuit FDC Floppy Disk Controller FDD Floppy Disk Drive FDDI Fiber Distributed Data Interface FDHM Full Duration Half Maximum FDI Feeder/Distribution Interfaces FDL Facility Data Link FDM Frequency - Division Multiplexing FDMA Frequency Division Multiple Access FDP Field Development Program FDT Formal Description Technique FDX Full Duplex FE Far End / Far East FEA Functional Entity Action / Far East Asia FEAR Fu*k Everything And Run or False Evidence Appearing Real FEBE Far End Block Error (SONET) FEC Foreign Exchange Carrier / Forward Error Correction FECN Forward Explicit Congestion Notification (specification) FED Far End Data FEDI Financial Electronic Data Interchange FED-STD Federal Standard FEMF Foreign Electro-Motive Force FEP Front End Processor FEPG Federal Engineering Planning Group FEPS Facility and Equipment Planning System FERF Far End Receive Failure / Far End Reporting Failure FERPM FTAM Error Recovery Protocol Machine FET Field - Effect Transistor FETLA Further Extended Three Letta Acronym (ie it has five letters.) FEV Far End Voice FEXT Far - End Cross Talk FF Form Feed (ASCII) FFRD Flying Fuck in a Rolling Donut (I don't give one) FFS For Fu*k's Sake FFT Fast Fourier Transform / Final Form Text FFTDCA Final Form Text Document Content Architecture FG Feature Group (A, B, C, D) FGA Feature Group A FGB Feature Group B FGC Feature Group C FGD Feature Group D FGDC Federal Geographic Data Committee FGND Frame Ground FHD Fixed - Head Disk FHOF Freeware Hall of Fame FI File Interchange FID Format Identifier FIDDO Focused Investigation of Document Delivery Options FIF Fractal Image Format FIFO First In, First Out FIGIT Follett Implementation Group for Information Technology FIGMO Forget It, I've Got My Orders FIGS Figures Shift FIIN Fuc*ed if I Know FIIOH Fu*k (or Forget) It, I'm Outta Here FIM Facing Identification Mark / Fiber Interface Module FIMG Finance Industry Marketing Group FIN Finish (flag) FINCEN (Federal) Financial Crimes Enforcement Network (usually as FinCEN) FIOC Frame Input/Output Controller FIP Facility Interface Processor FIPS Federal Information Processing Standards FIR Fast InfraRed / Finite Impulse Response FIRE Fragmenting IP Real-time Engine (chip) FIRL Fiber-optic Inter-Repeater Link FIRM First In Releasing Most (Incorrect Acro) FIRST Fax Information Retrieval Support Technology / Forum on Incident Response and Security Teams FIS Forms Interchange Standard FISG Financial Industries Systems Group FISH First In, Still Here FISUS Fill In Signal Units FITB Fill In the Blanks FITS Flexible Image Transport System Five-O Cracking Group - (formerly the Imperial Warlords) FIX Federal Information eXchange / Federal Internet eXchange FL First Level FLA Four/Five Letter Abbreviation (ETLA and DETLA are preferred since they are FLAP FDDITalk Link Access Protocol FLETC Federal Law Enforcement Training Center FLIH First Level Interrupt Handler FLOP Floating-Point Operation FLP Fast Link Pulse FLT Fairlight FM Frequency Modulation / Fault Management / Fine Magic / Function Management FMAC Facility Maintenance And Control FMAP Field Manufacturing Automated Process FMBS Frame - Mode Bearer Service FMC Financial Management Center FMD Function Management Data FMEA Failure Modes and Effects Analysis FMIC Field Manufacturing Information Center FMMC Field Manufacturing Management Committee FMP (OpenView) Fault Management Platform / Field Manufacturing Plan FMS File Management System FMVFT Frequency Modulation Voice Frequency Telegraph FN Finish FNAL Fermi National Accelerator Laboratory FNC Federal Networking Council FNP Front - End Network Processor FNPA Foreign Numbering Plan Area FO Fiber Optics FOA Fiber Optic Adapter / First Office Application FOAD F**k Off And Die FOAF Friend of a Friend FOAFOAG Father of a Friend of a Girlfriend FOAG Father of a Girlfriend FOC Free Of Charge / Fiber Optic Communications FOCS Foundations of Computer Science FOD Fax On Demand / Finger Of Death / Format Office Document FOE F**king Operator Error FOIA Freedom Of Information Act FOIM Field Office Information Management (system) FOIRL Fiber Optic Inter-Repeater Link FOMAU Fiber Optic Medium Attachment Unit FOMC Field Operations Management Committee FON Fiber Optics Network FOOBAR Variant of FUBAR (q.v.) FORTRAN FORmula TRANslation/Translator (programming language) FOS Full Of Sh*t / Freedom Of Speech / Fundamental Operating System FOSSIL Fido/Opus/Seadog Standard Interface Layer FOT Frequency of Optimum Traffic / Full of Tripe FOTS Fiber Optic Transmission System FOX Field Operational X.500 FP Functional Profile FPA Floating Point Adapter FPASD Facsimile Packet ASsembler / Disassembler FPCA Functional Programmin languages and Computer Architecture FPCP Funky Pack of Cyberpunks FPF Facility Parameter Field FPGA Field-Programmable Gate Array FPM Feet Per Minute FPO For Placement Only / For Position Only FPODA Fixed Priority Oriented Demand Assignment FPP Floating Point Processor FPS Floating Point System / Fast Packet Switching / Frames Per Second FPT Forced Perfect Termination FPU Floating Point Unit (A co-processor that does floating point-non-integer- math) FQDN Fully Qualified Domain Name FR Flat Rate FRAD Frame Relay Access Device FRAM Ferroelectric Random Access Memory FRC Frame Relay Capabilities FRDS Failure Resistant Disk Systems FRE Forward and Reverse Engineering FRED Fucking Ridiculous Electronic Device FREDMAIL FRee EDucational electronic Mail FRF Frame Relay Forum FRICC Federal Research Internet Coordination Committee FRMR Frame Reject FRPS Field Reliability Performance Studies FRS First Revenue Ship / Flexible Route Selection FRU Field Replacement Unit / Field Replaceable Unit FRZ Freakin' Religious Zealot FS File Separator (ASCII) / Field Service / File Server / Frame Status / Full Scale / Functional Standard FSCE Free Solution Capillary Electrophoresis FSCK File System ChecK (UNIX command) FSF Free Software Foundation FSG Financial Systems Group / Format Standard Generalized (markup language) FSK Frequency Shift Keying FSL Field Service Logistics / Free Space Loss FSM Finite State Machine FSN Full Service Network FSP File Service Process / File Service Protocol FSR Free System Resources FSS Fully Separated Subsidiary FSTC Financial Services Technology Consortium FSTG Functional Standardization Taxonomy Group FSU File Support Utility FT Feet (usually ft or ' ) / Field Test / File Transfer FT1 Fractional T1 FTAM File Transfer, Access, and Management (protocol) FTASB Faster than a Speeding Bullet FTBOMH From The Bottom Of My Heart FTC Federal Trade Commission FTDS Failure Tolerant Disk Systems FTF Face To Face FTG Final Trunk Group FTL Faster than Light FTP File Transfer Protocol [a specific format to exchange files and data - usually also ftp - The name of a program (method) of up/downloading FTPD File Transfer Protocol Daemon FTR For the record / Full-Text Retrieval FTS Federal Telecommunications Service / Federal Telecommunications System / File Transfer Service FTSC Federal Telecommunications Standards Committee FTTC Fiber To The Curb FTTH Fiber To The Home FTTT From Time To Time FU F**ked Up / Fractional Unit FU2 Fu*k you too FUA Frequently Used Acronyms FUBAR Fouled/F**ked Up Beyond All Recognition/Reason/Repair / Failed UniBus Address Register FUBB fouled up beyond belief FUCK Fools usually get kicked FUD (spreading) fear, uncertainty, and disinformation/doubt FUMTU F*ed up More Than Usual FUNI Frame-based User-to-Network Interface / Frame User Network Interface (ATM Forum) FURTB Full up ready to burst (about hard disk drives!) FVC First Volume Commit FVIPS First Virtual Internet Payment System FWIW For What It's Worth FWTW For what that's worth FX Effects / Foreign eXchange FY Fiscal Year FY&TSYRIO Fu*k You And The Sysop You Rode In On FYA For Your Action / For your amusement FYDITM Fu*k You Directly In The Mouth FYE For Your Entertainment FYEO For Your Eyes Only FYI For Your Information FYO For Your Opinion FZG Folo Zone Gang g - grin - usually in brackets or angles or [g] / Giga- / Gigabyte / Gram (usually as g) / Gravity (usually as G) G,D&R Grinning, Ducking, And Running G8R Later 'Gater ( As in alligator ) GA Go ahead / Genetic Algorithm GAFIA Get Away From It All GAL Get A Life GAN Global Area Network GAO Government Accounting Office GAP Generic Address Parameter GASP Go Away, Silly Person! GATED GATE Daemon gawd god GB Gigabit (usually as Gb) / Gigabyte (usually as GB) Gbps Gigabits Per Second (usually as Gbps) / GigaBytes Per Second (usually as GBps) GBS GigaBits per Second / GBS Group Bridging Service GCA Graphic Communications Association GCDI Galacticomm Custom Device Interface GCID Global Call Identifier GCIDIE Global Call Identifier Information Element GCN Government Computer News (magazine) GCOS God's Chosen Operating System GCR Gray Component Replacement GCRA Generic Cell Rate Algorithm GCS Group Control System gd&h - grinning, ducking and hiding GD&R Grinning, Ducking and Running gd&r,vvf - grinning, ducking and running, very very fast gd&rf grinning, ducking and running FAST! GD&RVVF Grinning, Ducking and Running Very Very Fast gd&w grinning, ducking and weaving GDA Global Directory Agent GDAP Government Document Application Profile GDG Generation Data Group GDI Graphics Device Interface / Graphics Display Interface (Windows) GDMI Generic Definition of Management Information GDMO Guidelines for the Definition of Managed Objects GDS Generalized Data Stream / Generation DataSet / Global Directory Service / Graphics Data Syntax GDTR Global Descriptor Table Register GDU Grave Dancers Union GE General Electric / Group of Experts GECOS General Electric Comprehensive Operating System GEDCOM GEnealogical Data COMmunications (file format) GEIS General Electric Information Systems GEISCO General Electric Information Services Company GEMDES Government Electronic Messaging and Document Exchange Service GES Global Enterprise Services GF Girl Friend GFAK go fly a kite GFC going for coffee / Generic Flow Control GFCI Ground Fault Circuit Interrupter GFI General Format Identifier GFID General Format IDentifier GFN Gone For Now GFR Grim File Reaper (pervasive data destroyer) GGN Gotta Go Now GGP Gateway to Gateway Protocol GH Getting Hard GHZ GigaHertz (usually as GHz) GIA General International Area GID Group Identification GIF Graphical Interchange Format / Graphics Information Format GIG Gigabyte GIGO Garbage In, Garbage Out GIM Group Identification Mark GIOP General Interoperable ORB Protocol GIPS Giga Instructions Per Second GIS Geographic Information System GITS Government Information Technology Services GIWIST Gee, I Wish I'd Said That GKS Graphics Kernal System GL Good Luck / Group Librarian (MPE) GLBS Great Lakes Business Systems GLGH Good Luck and Good Hunting GLIB Gay and Lesbian Information Bureau GM General MIDI GMBA Giggling My Butt Off GMG Government Manufacturing Group GMIDI General Musical Instrument Digital Interface GMR Giant Magneto-Resistive GMSK Gaussian Minimum Shift Keying GMSKFM Gaussian Minimum Shift Keying Frequency Modulation GMSK-FM Gaussian Minimum Shift Keying Frequency Modulation GMT Greenwich Mean Time (aka Zulu Time) GMTA Great minds think alike / Got me there again GN Given Name GND Ground GNM Generic Network Model GNMP Government Network Management Profile GNN Global Network Navigator GNS Get Nearest Server GNU GNU's Not Unix GNVQ General National Vocational Qualification GOD Givers of Destruction / Global Outdial / Greatly Underrated Deity GOES Geosynchronous Orbital Earth Satellite GOF Gang Of Four GOMF Get Outta My Face GOP Grand Old Pirates GOS Grade Of Service GOSIP Government Open Systems Interconnection Profile GOV Government (usually as .gov) GOVT Government GP Group Processor GPD Gas Plasma Display / General Purpose Discipline GPF General Protection Fault GPIB General Purpose Interface Bus (aka HPIB) GPL General Public License GPN Government Packet Network GPO Government Printing Office GPS Global Positioning System / Global Positioning Satellite (network) GPV General Public Virus GPX Graphics Processor Accelerator GQ Generation Qualifier GR Grin GR&D grinning, running & ducking [appropriate behavior after making a particularly bad joke] (alternatively GD&R) GR? Grinning, Running, & Ducking GRAD Grinning, Running & Ducking GRC Generic Reference Configuration GRD GOSIP Register Database / Ground GRE Generic Routing Encapsulation (tunneling) GRIN GRaded INdices grlz girls GRMBL grumble GRP Group / MOD Group Modulator GRPMOD Group Modulator GRUIT Get Ready yoU Impudent Thing GS Games Society / Group Separator (ASCII) GSA General Services Administration / General Sales Agent GSAT General Telephone and Electronics Satellite Corporation GSB General Systems Business GSC General System Connect (bus or interface) GSFC Goddard Space Flight Center GSG Government Systems Group GSIM General Services Industry Marketing (group) GSM Global System for Mobile (communications) GSMP General Switch Management Protocol GSN Government Satellite Network GSO Geostationary Orbit GSS Generation Support Statement / Generic Security Service GSS/RSS Generation Support Statement / Reception Support Statement GSSP General Systems Security Principles GSTN General Switch Telephone Network GT Give Token GTA Give Token Acknowledgment / Government Telecommunications Agency GTB Go to bed GTC General Telephone Company / Give Token Confirm GTE General Telephone and Electronics GTFOOMF Get the Fu** Out of My Face GTN Government Telecommunications Network GTPNet Global Trade Point Network GTS Gamma Transfer Service GTSY Glad To See You GTT Global Title Transmission GUI Good User Interface. / Graphical User Interface GUID Globally Unique Identifier GUIDE Graphical User Interface Design Editor GURPG Generic Universal Role Playing Game GURPS Generic Universal Roleplaying Systems GUS Guide to the Use of Standards guvment government GW Getting Wet (q.v. GH) GYHTBH Guess you had to be here GYHTBT Guess you had to be there H Hexadecimal (sometimes as lowercase h) H&K Hug and Kiss H/M Hotel/Motel HA Horn Alert HABU Have A Better 'Un HACK Hacking And Computer Krashing HAGN Have A Good Night HAGS Herbally Aroused Gynecological Squad HAGU Have A Good 'Un HAI Hardware Accelerator Interface HAK hugs and kisses HAL Hardware Abstraction Layer HALE Hacker's Against Law Enforcement HAM Home Amature Mechanic / Hybrid Access Method HAN Home Area Network HAND Have A Nice Day HASCS Harvard Arts and Sciences Computer Services HASP Houston Automatic Spooling Priority HATE Highly Artistically Talented Enterprises HBA Host Bus Adapter HBFG Host Behavior Functional Group (ATM Forum) HBO Home Box Office HC HyperChannel HCDS High Capacity Digital Service HCF Halt and Catch Fire HCIG Health Care Industry Group HCL Hardware Compatability List / Hop Count Limit HCLRG HEFC's Colleges Learning Resources Group HCO High Capacity Output HCS Hard Clad Silica / Header Check Sequence HCSDS High Capacity Satellite Digital Service HCSS High Capacity Storage System HCTDS High Capacity Terrestrial Digital Service HD Hard Disk (drive) / Hard Drive / High Density HDA Head Disk Assembly HDB3 High Density Bipolar - Three (zeros) HDD High Double Density / Hard Disk Drive HDK Hippy Dippy Klub HDL Hardware Description Language HDLC High-level Data Link Control HDM Hardware Device Module HDML Handheld Device Markup Language HDR Host Data Replicator HDSC High Density Signal Carrier HDSL High-bit-rate Digital Subscriber Line / High-data-rate Digital Subscriber Line HDT Host Digital Terminal HDTP Handheld Device Transport Protocol HDTV High Definition TeleVision HDX Half Duplex HEAP Home Energy Assistance Program HEC Header Error Check / Header Error Control HEFCE Higher Education Funding Council for England HEFCW Higher Education Funding Council for Wales HEHO High End Hop Off HEL Hardware Emulation Layer / Header Extension Length HEMP High - altitude ElectroMagnetic Pulse HEMS High - Level Entity Management System / High - Level Entity Monitoring Sys HENCE Heterogeneous Network Computing Environment (usually as HeNCE) HENSA Higher Education National Software Archive HEP Hub Expansion Port HEPNET High Energy Physics NETwork HEQC Higher Education Quality Council HESA Higher Education Statistics Agency HETLA Highly Extended Three Letter Acronym HEU Hacking at the End of the Universe (convention) HF Hands Free / High Frequency HFC Hybrid Fiber-Coaxial / Hierarchical File System HGA Hercules Graphics Adapter HGC Hercules Graphics Card HHIS Hanging Head in Shame HHO1/2K Ha Ha Only Half Kidding HHOJ Ha Ha Only Joking HHOK Ha Ha Only Kidding HHOS Ha Ha Only Serious HIBCC Health Industry Business Communications Council HIC Headend Interface Converter / Hybrid Integrated Circuit HICOM High technology Communication HID/LOD High-Density / Low-Density (tariff) HILI Higher - Level Interface HIPO Hierarchy plus Input - Process - Output (charts) HIPPI HIgh Performance Parallel Interface HIT Hackers In Touch HIWTH Hate it when that happens HIYA hello [in most any language] HL7ECF Health Level Seven Enterprise Communications Framework HLF High Level Format(ting) HLI High-speed LAN Interconnect HLL High Level Language (API) HLLAPI High Level Language Application Program(ing) Interface HLOLARAWCHAWMP Hysterically Laughing Out Loud And Rolling Around While Clapping Hands And Wetting My Pants (courtesy ecco in action) HLPI Higher Layer Protocol Identifier HMA High Memory Area HMD Head Mounted Display HMI Horizontal Motion Index / Hub Management Interface / Human - Machine Interface HML Human - Machine Language HMMP HyperMedia Management Protocol HMMS HyperMedia Management Schema HMOFG or HMFG Holy Mother Of Fucking God. HMOS High density Metal Oxide Semiconductor HMP Host Monitoring Protocol HMUX Hybrid Multiplexer HN Host to Network HNDS Hybrid Network Design System HNPA Home Numbering Plan Area HNS Hospitality Network Service HOB Hierarchical Operational Binding HOBIC Hotel Billing Information Center HOBIS Hotel Billing Information System HOH Hash Of Hashes HOL Head Of Line HOMPR Hang On, Mobile Phone's Ringing HP Hewlett Packard / Home Page ( on the WWW ) / Hit Points (Common MUD term) HPA Hacker/Phreakers Association HPAD Host Packet Assembler / Disassembler HPC Handheld Personal Computer HPCA High Performance Computing Act HPCC High Performance Computing and Communications program HPCCIT High Performance Computing, Communication, and Information Technology HPCG High Performance Computing Group HPFC High Performance Functional Computing HPFS High Performance File System HPGL Hewlett Packard Graphics Language HP-GL Hewlett Packard Graphics Language HPIB Hewlett Packard Interface Bus HPIUGA Hewlett Packard International Users Group Association HPM High Power Microwave HPO High Performance Option HPOFS High Performance Optical File System HPPPN Hewlett Packard Private Packet Network HPR High Performance Routing HPS Hardware Product Services / High Performance Systems HPSS High Performance Switching System HPT High-Pressure Tin HQ Headquarters HR Horizontal Rule / Human Resources HRC Hybrid Ring Control HRD High Resolution Diagnostic Diskette / Human Resources Development HRPF Hexadecimal Reference Publication Format HRSC High Resolution Stereo Camera HRU Hackers 'R' Us HSC Hierarchical Storage Controller HSDC High - Speed Data Card HSF High Sierra Format HSIK How Should I Know HSIM High Speed Interface Module (W6) HSLAN High - Speed Local Area Network HSM Hierarchical Storage Management HSSDS High-Speed Switched Digital Service HSSI High Speed Serial Interface HSSP High Speed Switched Port HST High Speed Technology HT Horizontal Tabulation (ASCII) HTCIA High Tech Computer Investigators Association HTH Happy To Help / Hope This Helps HTM HTML Extention HTML HyperText Mark-up Language HTTP HyperText Transfer Protocol HTTPD HyperText Transfer Protocol Daemon HTX HTML Extention HU High Usage HUB Head Up Butt HUTG High Usage Trunk Group HVAC Heating, Ventilation and Air Conditioning HVM High Volume Manufacturing HW HardWare / HRSC-WAOSS HWG HTML Writers Guild HWS(PEST) Husband Wants Sex (Please Excuse Slow Typing) HWSPEST Husband Wants Sex (Please Excuse Slow Typing) HYCFAPMSFTJ Honestly you couldn't find a person more suited for the job. HZ Hertz (usually as Hz) I&M Installation and Maintenance i-) Private Eye (detective) I.B.M. I Blame Microsoft. I/O Input/Output IA Implementation Agreement / Intel Architecture IAA Initial Address Acknowledgment IAB Internet Activities Board / Internet Advisory Board / Internet Architecture Board IABI Intel Application Binary Interface (usually as iABI) IAC In Any Case / Inter-Application Communication / International Advisory Committee / Interpret As Command IACIS International Association of Computer Investigation Specialists IAD (The) Internet Acronym Dictionary / Integrated Access Device / Interface Analysis Document IAE In Any Event IAHC International Ad Hoc Committee IAL mIRC term for Internal Address List IAM Initial Address Message / Inverse ATM Mux IANA I am not a ... / Internet Assigned Numbers Authority IANACPA I am not a CPA IANAL I am not a lawyer [a disclaimer of professional knowledge] IANALBIPOOTV I Am Not A Lawyer, But I Play One On TV IAPI Internet Application Programming Interface IAPP Industrial Automation Planning Panel / International Association of Presentation Professionals IAR Initial Address Reject IARTPFWTSIOWIM I am Repeating this Parrot fashion without the slightest idea of what it Means IASG Internetwork Address Sub-Group (ATM Forum) IB Instruction Buffer / Interface Builder IBC Inadequate But Cute IBCN Integrated Broadband Communication Network IBI Information Builders, Inc. IBIS International Banking & Information Security (conference) IBK Idiot Behind Keyboard IBM I Blame Microsoft / Inadequate But Marketable / Inferior But Marketable / Insidious Black Magic / International Buisness Machines / Its Been Malfunctioning / Its Better Manually IBMNM IBM Network Management IBN I'm Buck Naked / Integrated Business Network IBS Intelsat Buisness Services IBSG Internetwork Broadcast Sub-Group (ATM Forum) IBTD I beg to differ. IBUFG Internetwork Broadcast Unknown Functional Group (ATM Forum) IC I See / In Character / Independent Carrier / Industry Canada / Initial Cell (rate) / Inner Circle / Input Controller / Integrated Circuit / Inter-Exchange Carrier / Inter-LATA Carrier ICA Intelligent Communications Adapter / Intelligent Console Architecture (Protocol) / International Communications Association ICAN Individual Circuit Analysis ICAO International Civil Aviation Organization ICBL Institute for Computer Based Learning ICBW I Could Be Wrong ICC International Chamber of Commerce / International Color Consortium / International Communication Conference / International Control Center / Interstate Commerce Commission ICCB Internet Configuration Control Board ICCC International Computer Communications Council ICCP Institute for the Certification of Computing Professionals ICCV International Conference on Computer Vision ICD Interactive Call Distribution / International Code Designation/Designator ICDTAFD I could do this/that all fu**ing day. ICE Inner Circle Elite / Insane Creator Enterprises (usually as iCE) / Integrated Compression Engine / International Communications Echomail / Intrusion Countermeasure Electronics / In-Circuit-Emulator ICECCS International Conference on Engineering of Complex Computer Systems ICES (IC) Interference-Causing Equipment Standard ICFA International Computer Fax Association ICFG IASG Coordination Function Group (ATM Forum) ICH International Call Handling ICI Incoming Call Identification / Interexchange Carrier Interface / Interface Control Information ICL International Computers Limited ICLID Individual Calling Line Identification ICLP International Conference on Logic Programming ICM Integrated Call Management ICMP Internet Control Message Protocol ICN International Cooperating Network / InterConnecting Network ICO Intermediate Circular Orbit (satellite) ICOMP Intel Comparative Microprocessor Performance ICOS International Club for Open Systems ICOT ISDN COnformance Testing ICP Initial Connection Protocol / Internet Control Protocol / Interprocess Communications Protocol ICPOT InterExchange Carrier-Point of Termination ICPP International Conference on Parallel Processing ICPR International Conference on Pattern Recognition ICPT Intercept Tone ICR Inductance,Capacitance,Resistance / Intelligent Call Router / Intelligent Charachter Recognition ICRA International Conference on Robotics and Automation ICRIS Integrated Customer Record Information System ICS Italian Cracking Service ICSC Inter-LATA Customer Service Center ICSE International Conference on Software Engineering ICSR Independent Customer Service Representative ICST Institute for Computer Sciences and Technology ICSU Internal Channel Service Unit ICUG International Closed User Groups ICUR I See You Are ICVT InComing Verification Trunk ICW Interrupt Continuous Wave ID Identification / Identifier / Internet Draft I-D Internet-Draft IDA Integrated Digital Access IDAPI Independent Database Application Programming Interface / Integrated Database Applicati IDC Information Distribution Companies / Insulation Displacement Contact / International Data Corporation / Internet Database Connector IDC/HTX Internet Database Connector HTML Extention IDCI Interim Defined Central Office Interface IDCMA Independent Data Communication Manufacturers' Association IDD International Direct Dialing IDDD International Direct Distance Dialing IDE Integrated Development Environment / Integrated Device Electronics / Interactive Development Environment / Integrated Drive Electronics (hard drive interface) / Intelligent Drive Electronics IDEA International Data Encryption Algorithm / Internet Design, Engineering, and Analysis IDECUS Internal Digital Equipment Corporation User's Society IDF Intermediate Distribution Frame IDG Inter-Dialog Gap IDGABTT It Don't Get Any Better Than This IDGAD I Don't Give a Damn IDGAS I Don't Give a Shi* IDH Inpherno Data Haven IDI Initial Domain Identifier / Intergalactic Dismantling Incorporated IDK I don't know IDL (RPC) Interface Definition Language IDLC Integrated Digital Loop Carrier IDM Integrated Diagnostic Modem IDMR InterDomain Multicast Routing IDN Integrated Digital Networks IDP Initial Domain Part / Integrated Detector Pre-amplifier / Internet Datagram Protocol IDPR InterDomain Policy Routing IDRP InterDomain Routing Protocol IDS Internal Directory System IDSL ISDN Digital Subscriber Line IDT Interrupt Dispatch Table IDTR Interrupt Descriptor Table Register IDTS I Don't Think So IDTT I'll Drink To That! IDU Interface Data Unit IDUG International DB2 Users Group IDVC Integrated Data / Voice Channel IE Information Element IEC InterExchange Carrier / International Electrotechnical Commission IED International Engineering Development IEE Institute of Electrical Engineers IEEE Institute of Electrical and Electronic and Electrical Engineers IEG Internal Equipment Group IEN Integrated Enterprise Network / Internet Engineering Note IEPG Intercontinental Engineering Planning Group IES Information Exchange System IESG Internet Engineering Steering Group IETF Internet Engineering Task Force IETS Interim European Telecommunications Standard I-ETS Interim European Telecommunications Standard IF Intermediate Frequency / Interrupt (enable) Flag IFC Internet Foundation Classes IFD Image File Directory IFDC International File Distribution Cooperative IFF Interchange File Format IFG InterFrame Gap IFH Image File Header IFIP International Federation for Information Processing IFL Image File List IFM Intelligent Flow Management IFOBS International Forum on Open Bibliographic Systems IFRB International Frequency Registration Board IFRPS Intercity Facility Relief Planning System IFS Installable File System IFTW Install From The Web IFU Interworking Functional Unit IGES Initial Graphics Exchange Specification IGMP Internet Group Management Protocol / Internet Group Multicast Protocol IGOSS Industry and Government Open Systems Specification IGP I Gotta Pee / Interior Gateway Protocol IGRDLNAIPTTPG I got really drunk last night and I prayed to the porcelain god IGRP Internet Gateway Routing Protocol IHA International Hackers Association IHL Internet Header Length IHNS I have no standards IHV Independent Hardware Vendor IIA Information Interchange Architecture IID Interface Identifier IIJ Internet Initiative Japan IIM Inventory Information Management IIN Integrated Information Network IINREN Interagency Interim National Research and Education Network IIOP (CORBA) Internet Inter-ORB Protocol / Internet Interoperable ORB Protocol IIRC If I Recall Correctly / If I Remember Correctly IIRG International Information Retrieval Guild IIS Internet Information Server / Internet Information Services IISF International Information Security Foundation IISP Interim Inter-switch Signaling Protocol IITF Information Infrastructure Task Force IITP Internetwork Interoperability Test Plan IITYWIMIWHTKY If I tell you what it means, I will have to kill you IITYWIMWYBMAD If I tell you what it means, will you buy me a drink? IITYWTMWYBMAD If I Tell You What This Means Will You Buy Me A Drink? IITYWTMWYKM If I tell you what this means will you kiss me? IIW ISDN Implementors Workshop IIWM if it were me (mine) IJCAI International Joint Conference on Artificial Intelligence IJCNN International Joint Conference on Neural Networks IKITBIRIIT I know it's true because I read it in Truthnet IKP Internet Keyed Payment (protocol) IL Indirect Labor ILAC International Laboratory Accreditation Conference ILD Injection Laser Diode ILF I'll Look Forward / Information Liberation Front ILINRAW I lied, i'm not really a woman ILIWTPCT I Love It When the Plan Comes Together ILMI Integrated Layer Management Interface / Interim Link Management Interface / Interim Local Management Interface ILOP Intelligent Local OPeration I-LOP Intelligent Local OPeration ILPS International Logic Programming Symposium ILSHIBAMF I Laughed so Hard I Broke All my Furniture ILTNMMAMOTC. ILY I Love You IM Intelligent Messaging / Intensity Modulation / Interface Module / Interpersonal Messaging IM&T Information and Technology Management IMA Interactive Multimedia Association / Inverse Multiplexing over ATM IMAC Isochronous Media Access Control IMADA (Danish) Institut for Matematik og Datalogi IMAO In My Arrogant Opinion IMAP Interactive Mail Access Protocol / Internet Message(ing) Access Protocol IMAS Integrated Mass Announcement System IMBBSA International Major Bulletin Board System Association IMBO In My Biased Opinion or In My Bloody Opinion IMC Initial Microcode Load IMCAO in my completely arrogant opinion (Use for attracting flames!) IMCO In My Considered Opinion [var. of IMHO] IME In My Experience IMHO In My Honest Opinion / In My Humble Opinion IMIL International Management Information Library IMM Idle Material Management / Input Message Manual IMnerHO In my not even remotely humble opinion IMNSHO In My Not So Humble Opinion IMO In My Opinion IMOBO In My Own Biased Opinion. IMP Information Management Plan / Interface Message Processor IMPACT Information Market Policy Actions / Impact Avalanche and Transit Time IMPO In my pious opinion IMPS Interface Message ProcessorS IMR Information Management Research / Internet Monthly Report IMS Information Management System / Integrated Management Systems IMSP Independent Manufacturer Support Program IMT Inter-Machine Trunk IMTC International Multimedia Telecommunications Consortium IMTS Improved Mobile Telephone Service IM-UAPDU Interpersonal Messaging User Agent Protocol Data Unit IMUX Inverse MUltipleXing IMVHO In My Very Humble Opinion IN Inch (usually as in or " ) / Intelligent Network IN/1 Intelligent Network/1 INA Information Networking Architecture INAL I'm Not A Lawyer INAP Intelligent Network Access Point INARP Inverse Address Resolution Protocol (usually as InARP) INC Incorporated / International Carrier / International Network of Crackers INCA Integrated Network Communication Architecture INFOSEC INFOrmation systems SECurity INHCBSIGIAV I've never had cybersex before so I guess i'm a virgin INIT Initialization INL Inter Node Link INMARSAT INternational MARitime SATellite service INN Inter Node Network INP Intelligent Network Processor INPO In No Particular Order INRIA Institut National de Recherche en Informatique et en Automatique INS Information Network System INT Integer INTA International Trademark Association INTAP INteroperability Technology Association for information Processing INTELSAT International Telecommunications Satellite Consortium/Organization InterNIC Internet Network Information Center INTT Incoming No Test Trunks INTUG INternational Telecommunications Users' Group INV Inventory INWATS Inward Wide Area Telephone/Telecommunications Service INWG International Network Working Group IO Independent Option / Input/Output / Inward operator IOC Input/Output Controller IOCC International Overseas Completion Center IOD Identified Outward Dialing IOE Illegal Operation Error IOHO In our humble opinion IOM Input/Output Module IONL Internal Organization of the Network Layer IOP Input/Output Processor / Interoperability IOPL Input/Output Privilege Level IOS Input/Output System / Internetwork Operating System / Intermediate Open System / Inter-Network Operating System IOT Inter-Office Trunk IOW In Other Words IOWA Inmates of the World Asylum IP Information Provider / Instruction Pointer / Intermediate Point / Internet Protocol IPAYTF I'm pregnant and you're the father IPC Internet Proxy Cache / InterProcess Communication IPCH Initial Paging Channel IPCS Interactive Problem Control System IPD Internet Protocol Datagram IPDP Industrial Peripheral Data Processing IPDS Intelligent Printer Data Stream IPDU Internetwork Protocol Data Unit IPE In-band Parameter Exchange IPG Image Processing Group IPH Impressions Per Hour IPI Initial Protocol Identifier / Intelligent Peripheral Interface / International Painting Interactive (project) IPL Initial Program Load IPLAN Integrated Planning And Analysis IPLS InterLATA Private Line Services IPM Images Per Minute / Impulses Per Minute / InterPersonal Messaging / Interruptions Per Minute IPMI Internet Provider Multicast Initiative IPMO Industry Program Management Office IPMS InterPersonal Messaging Service / InterPersonal Messaging System IPMUA InterPersonal Messaging User Agent IPM-UA InterPersonal Messaging User Agent IPN Integrated Packet Network / International Printers Network / Internet Protocol Number IPNG Internet Protocol Next Generation (usually as IPng) IPNS ISDN PBX Networking Specification / Forum A body committed to accelerate development of the QSIG standard by providing co-ordinated input to ECMA IPPM Internet Protocol Performance Metrics IPPS International Parallel Processing Symposium IPS Inches Per Second (usually ips) / Information Processing System / Internet Protocol Suite (aka TCP/IP) IPSG Internal Product Strategies Group IPSIT International Public Sector Information Technology IPT Inventory Program Team IPTF Information Protection Task Force IPV4 Internet Protocol Version 4 IPv6 Internet Protocol Version 6 IPX Integrated/Internet/Internetwork Packet Exchange IPX/SPX Internetwork Packet Exchange / Sequenced Packet Exchange IPXODI Internetwork Packet Exchange Open Data-Link Interface IR Immortal Riot / InfraRed / Internet Registry / Internet Router / Inter-network Router IRC Internet Relay Chat / International Record Carrier IRD Information Resource Dictionary IRDA Infrared Data Association / Infrared Developers Association IRDS Information Resource Dictionary System IRF Inherited Rights Filter / Intermediate Routing Function IRG International Rogues Guild IRHTTWOOH It's really hard to type with only one hand IRL In Real Life IRM Inherited Rights Mask IRMFI I Reply Merely For Information IROR Internal Rate of Return IROS Intelligent Robots and Systems IRP-BBS Information Reporting Program Bulletin Board System / Information Returns Program Bull IRQ Interrupt - Request Line/Level IRR Internal Rate of Return IRS Internal Revenue Service IRSG Internet Research Steering Group IRT In Regards To IRTF Internet Research Task Force IRTOS I20 Real Time Operating System IRV International Reference Version IS Information Services IS Information Systems IS Intermediate System IS International Standard IS Internet Standard IS Interrupt Set ISA Industry Standard Adapter / Interactive Services Association ISA Industry Standard Architecture ISA Interactive Services Association ISAKMP Internet Security Association and Key Management Protocol ISAM Indexed Sequential Access Method ISAPI Internet Server Application Programming Interface /Internet Server Advanced Programming Interface ISBN International Standard Book Number ISBS Information Systems Business Segment ISC Inter-Nation Switching Center ISC Inter-nation Switching Center / International Switching Center ISC International Switching Center ISCA Intelligent Synchronous Communications Adapter ISCC Intelligent Systems Control Console ISCF Inter-System Control Facility ISD International Subscriber Dialing ISDL ISDN Digital Subscriber Line ISDN Integrated Service Digital network / It Should Download Now / It Still Does Nothing ISF Information Security Foundation ISH Intermediate System Hello ISI Information Sciences Institute ISIS Image and Scanner Interface Specification / Intermediate System to Intermediate System / Internally Switched Interface System / Investigative Support Information System IS-IS Intermediate System to Intermediate System ISLM Integrated Services Line Module ISLU Integrated Services Line Unit ISM Industrial, Scientific, and Medical / Installed Systems Marketing / Intermediate Service Module / Internet Service Manager ISMF Interactive Storage Management Facility ISN Information Systems Network / Initial Sequence Number / Integrated Systems Network / Internet Society News ISO International Standardisation Organisation ISO/CS International Organization for Standardization Central Secretariat ISOC (The) Internet Society (ISoc) ISOCS International Standardization Organization Central Secretariat ISODE International Standardization Organization Development Environment ISORM International Standardization Organization Reference Model ISP Internet Service Provider / International Standardized Profile ISPA Internet Service Providers Association / Inverted Socket Process Architecture ISPATS International Standardized Profile Abstract Test Suite ISPETS International Standardized Profile Executable Test Suite ISPF/PDF Interactive System Productivity Facility / Program Development Facility ISPICS International Standardized Profile Implementation - Conformance Statement ISPN INFO Security Product News ISPS Information System Production Systems ISPT Instituto Superiore Poste e Telecommunicazioni (Superior Institute for Post and Teleco ISQL Interactive Structured Query Language ISR Internet Service Routine / Interrupt Service Routine ISS Initial System Sale / Internal Special Systems / Integrated Switching System ISSA Information Systems Security Association ISSB Information Systems Standards Board ISSC Information Services Sub-Committee ISSG Information Strategies Steering Group ISSM Information Systems Security Monitor ISSN Integrated Special Services Network ISSO Information Systems Security Organization ISTE International Society for Technology in Education ISTM It Seems To Me ISTR I Seem To Recall ISU Integrated Service Unit ISUP Integrated Services User Part / ISDN User Part ISUS Information Services and User Support ISV Independent Software Vendor ISWS Internal Software Services ISWYM I See What You Mean IT Information Technology / Information Type / Intelligent Terminal ITA International Telegraph Alphabet ITAA Information Technology Association of America ITAEGC Information Technology Advisory Experts' Group on Certification ITAEGS Information Technology Advisory Experts' Group on Standardization ITAEGT Information Technology Advisory Experts' Group on Telecommunications ITAP Information and Technology Architecture Plan ITAR International Traffic in Arms Regulation ITB Intermediate Text Block ITC Independent Telephone Company ITCA International TeleConferencing Association ITCC Information Technology Consultative Committee ITDM Intelligent Time - Division Multiplexer ITE Information Technology Equipment ITG Imaging Technologies Group ITI Industrial Technology Institute ITI Intelligent Transportation Infrastructure / Interactive Terminal Interface ITIMS In-service Transmission Impairment Measurement Set ITLD International Top-Level Domain (usually as iTLD) ITNFA I tested negative for aids ITRC Information Technology Requirements Council ITRO In The Region Of ITRW In The Real World ITS Incompatible Time Sharing System ITS Incompatible Time-Sharing System ITS Institute of Telecommunication Science ITS Institute of Telecommunication Science / Institute for Telecommunication Sciences ITS Intelligent Transportation System (previously IVHS) ITS Internal Theft Syndicate ITS Internet Telephony Server ITS Invitation To Send ITSB Image Technology Standards Board ITSC Inter-regional Telecommunications Standards Conference ITSEC Iformation Technology Security Evaluation Criteria ITSEC Information Technology Security Evaluation Criteria ITSMA Information Technology Services Marketing Association ITSO Incoming Trunk Service Observation ITSP Information Technology and System Planning ITSTC Information Technology STeering Committee ITT International Telephone & Telegraph ITT Invitation To Transmit ITTA Iformation Technology Training Association ITTA Information Technology Training Association ITTI Information Technology Training Initiative ITTP Intelligent Terminal Transfer Protocol ITU International Telecommunications Union ITUA Independent T1 Users' Association ITU-T International Telecommunication Union (formerly the CCITT) ITU-TSS International Telecommunications Union - Telecommunications Standardization Section ITV Interactive TeleVision ITYH Is that your hand? ITYIRAPA I'm telling you, I really am Pamela Anderson IUD INC (International Network of Crackers) Utilities Division IUD INC Utilities Division IUD Insert Usual Disclaimers IUT Implementation Under Test IUW ISDN User's Workshop IVD Integrated Voice and Data IVDMS Integrated Voice and Data Multiplexers IVDT Integrated Voice and Data Terminal IVDTE Integrated Voice and Data Terminal Equipment IVHS Intelligent Vehicle - Highway System IVIS Interactive Video Interface System IVMO Initial Value Managed Object IVN Intervening Network IVP Installation Verification Program IVPC International Virus Prevention Conference IVR Interactive Voice Response IVTS International Video Teleconferencing Service IW Imaging World (magazine) / Imperial Warlords (aka Five-0) / Information Week (magazine) IWALU I Will Always Love You IWBNI It Would Be Nice If IWF InterWorking Function IWM Incremental Warehaouse Methodology / Integrated Woz Machine IWM Integrated Woz Machine IWMM International Workshop on Memory Management IWU Intermediate Working Unit / Internetworking Unit / Interworking Unit IX Integrated POSIX (usually as MPEiX) / Interactive Executive IXC Inter eXchange Carrier / IntereXchange Channel IXI International X.25 Interconnect IXM IntereXchange Mileage IXSQL Interval Extensions to SQL IYFEG Insert Your Favorite Ethnic Group IYKWIM If you know what I mean IYSWIM If You See What I Mean JAD Joint Application Development JAM Just A Minute JANET Joint Academic Network JASE Just another system error JASPER JISC Academic Service Providers to Educate and Research JAUC Journal of American Underground Computing JBIG Joint Bi-level Imaging Group JBOD Just a Bunch Of Disks JCL Job Control Language JDA Joint Development Agreement JDBC Java DataBase Connection / Java DataBase Connectivity JDI Java Driver Interface JDK Java Development Kit JEC Job Evaluation Classification JEDEC Joint Electron Devices Engineering Council JEDI Joint Electronic Data Interchange JEIDA Japanese Electronic Industry Development Association JEMA Japanese Electric Machinery Association JEPI Joint Electronic Payment Initiative JES Job Entry Subsystem JES Job Entry System JFC Java Foundation Classes JFS Journaled File System JFTR Just for the record JFYI - Just For Your Information JGL Java Generic Library JIBS JISC Bibliographic Service User Group JIC Just In Case JIDM (X/Open) Joint InterDomain Management JIM Job Information Memorandum JIPS JANET Internet Protocol Service JIS Jurisdictional Interstate Services JISC Japanese Industrial Standards Committee / Joint Information Systems Committee JIT Just In Time JITEC Joint Information Technology Experts Committee JJ Just Joking (usually as < jj>) JK Just kidding (can also stand for joking - ) JMAIL Junk eMail (aka Spam) J-MAIL Junk eMail (aka Spam) JMAPI Java Management APlication Interface JMHO Just My Humble Opinion JMO Just My Opinion JMUG Japanese MAP/TOP User Group JMX Jumbogroup Multiplex JNDI Java Naming and Directory Interface JNET Japanese Network JNT Joint Network Team JNUG JANET National User Group JOOP Journal of Object-Oriented Programming JOVIAL Jule's Own Version of the International Algorithmic Language JPEG Joint Photographic/Picture Experts Group JPL Jet Propulsion Laboratory JRAG Joint Registration Advisory Group JRMP Java Remote Method Protocol JS JavaScript JSA Japan Standards Association JSC Johnson Space Center JSN Junction Switch Number JSNM Just Stark Naked Magic JSW Junctor Switch JTAP JISC Technology Applications Programme JTC Joint Technical Committee JTCI Joint Technical Committee on Information technology. JTLYK Just To Let You Know JTM Job Transfer and Manipulation JTP Jolt Transaction Protocol JTS Java Transaction Services JTYWTK Just Thought You Wanted To Know JUGA JANET User Group for Administrators JUGL JANET User Group for Libraries JUNET Japanese UNIX Network JUSW Janet User Support Workshop JVM Java Virtual Machine JVTOS Joint Viewing and Tele-Operation Service K 1000 (like, 2K = 2000) / Kilo / Kilobit / Kilobyte KAK Key - Auto - Key KAU Key station Adapter Unit KB Keyboard / Kilobit (usually as Kb , 1024 bytes) / KiloByte (usually as KB) KB/S Kilobits per Second (usually as Kb/s) KBD KeyBoarD KBPS Kilobits Per Second (usually as Kbps) / KiloBytes Per Second (usually as KBps) KD Keyboard Display KDC Key Distribution Center KDD Kokusai Denshin Denwa KDS Keyboard Display Station KDT Keyboard Display Terminal kewl cool KFT KiloFeet KG Kilograms (usually as kg) KHZ Kilohertz (usually as kHz) KIF Knowledge Interchange Format KIS Knowbot Information Service KISS Keep It Safely Secure / Keep It Simple, Stupid KIT Keep In Touch KKC Ku Klux Connecticut KKHPAC Ku Klux Hackers, Phreakers, Anarchists of Connecticut KKK Ku Klux Klan KMA Kiss my As* KMP Key Management Protocol KMYF Kiss Me You Fool KNU KNowlege Utility (KnU) KOC Kiss On Cheek KOL Kiss On Lips KOS Knights Of Shadow KotL Keeper of the List KP Key Pulse KPL Kit Parts List KSAM Keyed Sequential Access Method file KSO Keyboard Send Only KSR Keyboard Send and Receive KSU Key Service Unit KTS Key Telephone Set / Key Telephone System KTU Key Telephone Unit KWIM Know What I Mean? L2F Layer Two Forwarding L2TP Layer Two Tunneling Protocol L8R Later (as in Good-bye) L8RG8R Later 'Gater LA Library Association LAA Locally Administered Address LAB&TYD Life's A Bitch & Then You Die. LAC Loop Assignment Center LAD Local Area Disk LADS Local Area Data Service LADT Local Access Data Transport / Local Area Data Transport LAGNAF Let's all get naked and f#$%! LAGNAFA Lets All Get Naked and Fool Around LAIS Local Automatic Intercept System LAL Leased Access Line LAM Lobe Attachment Module LAMA Local Automatic Message Accounting LAN Local Area Network LAN/RM Local Area Networks Reference Model LANAO Local Area Network Automation Option LANE Local Area Network Emulation LANIC Local Area Network Interface Card LANL Los Alamos Nuclear Laboratories LAP Link Access Procedure / Link Access Protocol LAPB Link Access Procedure - Balanced LAP-B Link Access Procedure - Balanced LAPB Link Access Procedure Balanced LAPD Link Access Procedure on the D channel LAPM Link Access Procedure for Modems LAP-M Link Access Procedure for Modems LAPX Link Access Procedure half dupleX LART Luser Attitude Readjustment Tool LASER Light Amplification by Stimulated Emission of Radiation LASS Local Area Signaling Service / Local Area Switching Service LAST Local Area System Transport LAT Laser Ablation Transfer / Local Area Transport LATA Local Access Transport Area / Local Access and Transport Area LATI Loop Activity Tracking Information LATIS Loop Activity Tracking Information System LAV Load AVerage LAVC Local Area Vax Cluster LAW Lyrical Association of Writers LAWN Local Area Wireless Network LB Leaky Bucket / Local Bus / Pound (usually as lb) LBA Logical Block Address(ing) LBL Lawrence Berkeley Laboratory LBO Line BuildOut LBRV Low Bit Rate Voice LBS LAN Bridge Server / Load Balance System LBT Listen Before Talk(ing) LC Line Conditioner / Link Control / Local Channel LCAMOS Loop CAble Maintenance Operation System LCC Leadless Chip Carrier / Lost Calls Cleared LCCIS Local Common Channel Interoffice Signaling/Signing LCCL Line Card Cable LCCLN Line Card Cable Narrative LCD Liquid Crystal Display / Loss of Cell Delineation / Lost Calls Delayed / Line Current Disconnect LCDN Last Called Directory Number LCF Log Control Function LCGN Logical Channel Group Number LCI Logical Channel Identifier / Logical Channel Identific LCIE Lightguide Cable Interconnection Equipment LCLOC Line Card LOCation LCM Line Concentrating Module LCN Logical Channel Number(s) LCP Link Control Protocol LCR Least Cost Routing / Line Control Register LCRMKR Line Card Remarks, Retained LCSE Line Card Service and Equipment LCSEN Line Card Service and Equipment Narrative LCT Large Capacity Tray LCT-RTS Languages, Compilers, and Tools for Real-Time Systems LD LAN Destination / Laser Diode / Long Distance LDAP Lightweight Directory Access Protocol LDCELP Low Delay Code Exciting Linear Prediction LD-CELP Low-Delay Code Excited Linear Prediction LDDI Local Distributed Data Interface LDDS Local Distributed Data Service LDEV Logical Device (number) LDM Limited Distance Modem LDMTS Long Distance Message Telecommunications Service LDN Listed Directory Number LDP Laboratory Data Products LDS Local Digital Switch LDTR Local Descriptor Table Register LE LAN Emulation LEA Law Enforcement Agency LEAS LATA Equal Access System LEBC Low End Business Center LEC LAN Emulation Client / Local Exchange Carrier LECID LAN Emulation Client Identifier LECS LAN Emulation Configuration Server LED Light Emitting Diode / Lightly Educated Dudes LEDS Low End Disk Systems LEEP Large Expanse Extra Perspective LEETAC Law Enforcement Electronic Technology Assistance Commi LEGSS Low End Graphics Sub-System LEN Large Extension Node / Line Equipment Number / Low End Networks LENCL Line Equipment Number CLass LENNI LAN Emulation Network-to-Network Interface LEOS Low Earth Orbit Satellite LES LAN Emulation Server LES/BUS LAN Emulation Server / Broadcast and Unknown Server LEST Low End Systems and Technologies LF Line Feed (ASCII) / Line Finder / Low Frequency / Largest Frame LFACS Loop Facilities Assignment and Control System LFC Local Function Capabilities LFM Link Framing Module LFN Long Fat Network / Long File Name LGC Line Group Controller LGN Logical Group Node / Logical Group Number LHB Line History Block LHM Lord Help Me LHO Laughing Head Off LHT Long Holding Time LHU Lord Help Us LI Length Indicator / List Item LIB Library LibOp Libraries Operator LICS Logic In Computer Science / Lotus International Character Set LID Local Injection / Detection LIDB Line Information DataBase LIF Low Insertion Force LIFO Last In, First Out LIJP Leaf Initiated Join Parameter LIK Legends In Kaos LILO LInox LOader LIM Line Interface Module / Lotus-Intel-Microsoft LIMDOW Light Intensity Modulation Direct OverWrite (technology) LIMS Lotus Intel Microsoft Specification LIP Large Internet Packet LIPS Lightweight Internet Person Schema LIPX Large Internetwork Packet Exchange LIS Legacy Information Systems / Lithium Ion Storage LISP LISt Processing (programming language) / Lots of Infuriating & Silly Parenthesis LIT Line Insulation Test LIU Line Interface Unit LIV Link Integrity Verification LIW Long Instruction Word LJ (HP) LaserJet LKG Last Known Good LL Lower Layers LLAP LocalTalk Link Access Protocol LLATMI Lower Layer Asynchronous Transfer Mode Interface LLC Limited Liability Company / Local Link Control / Logical Link Control )Sublayer / Type 1 or Type 2) LLC/SNAP Logical Link Control SubNetwork Access Protocol LLCS Logical Link Control Security LLF Low Level Format(ing) LLI Lunatic Labs Incorporated LLN Line Link Network LLP Lower Layer Protocol LLPDU Logical Link Protocol Data Unit LLS LAN - Like Switching LLSIG Lower Layer Special Interest Group LLTA Lots and Lots of Thunderous Applause LLWANP LAN - to - LAN Wide Area Network Program LM Layer Management LMAO Laughing My As* Off LMB Lower Memory Block / Left Mouse Button LMDS Local Multipoint Distribution Service LME Layer Management Entity / License Management Facility / Low Magnetic Field LMFAO Laughing My Fu**ing As* Off LMI Layer Management Interface / Local Memory Interconnect LMKOAP Let Me Know Of Any Problems LMMP LAN / MAN Management Protocol LMMS LAN / MAN Management Service / Local Message Metering System LMOS Loop Maintenance Operating System LMSO Laughing My Socks Off LMTTA Leave Me the F* Alone LMU LAN Manager for UNIX LMWIS Lick Me Where I Sweat LMX L MultipleX LN Load Number LNA Low Noise Amplifier LNB Low Noise Block Deconverter LND Local Number Dialing LNM LAN Network Manager LNNI LAN Emulation Network-to-Network Interface LO Line Occupancy l-o Yawning LOBJECT Line Of Business obJECT LOC Library Of Congress / Local Operating Company / Loss Of Cell (delineation) LOCAP LOw CAPacitance LOD Legion of Doom / Level Of Detail LOD/H Legion of Doom/Hackers LODH Legion Of Doom Hackers LOF Lock Off-line / Loss Of Frame LOL Laugh(s) Out Loud / Laughing out loud / Laughed Out Loud / Legion Of Lucifer / Lots Of Luck LOLFOMC laughing out loud, falling off my chair LON Lock On-line LOP Loss Of Pointer LORAN Long Range Navigation LORTAD Law on Protection of Personal Data LOS Line Of Site LOTSAB Legion Opposed to Stupid Asshole Botanists LPC Linear Predictive Coding / Local Procedure Call LPCDF Low Profile Combined Distributing Frame LPD Line Printer Daemon (sometimes as lpd) LPF League for Programming Freedom LPI Lines Per Inch (usually as lpi) LPM Lines Per Minute LPN Local Packet Network LPP Lightweight Presentation Protocol LPT Local Printer Terminal LPVS Link Packetized Voice Server LQA Line Quality Analysis LRAP Long Route Analysis Program LRC Longitudinal Redundancy Check LRM LAN Reporting Mechanism / Least Recently used Master LRP Long Range Plan LRS Line Repeater Station LRSS Long Range Switching Studies LRU Least Recently Used (algorithm) LS Line Stabilizer LS/LC Line Stabilizer / Line Conditioner LSA Limited Space-charge Accumulation LSAP Link Service Access Point LSAPI Licensing Server Application Program Interface LS-API Licensing Server Application Program Interface LSB Least Significant Bit / Lower Side Band LSD Least Significant Digit LSDU Link Service Data Unit LSE Language Sensitive Editor / Local Single-layer Embedded / Local System Environment LSEL Link SELector LSHMBB Laughing So Hard My Belly is Bouncing LSHMBH Laughing So Hard My Belly Hurts LSHTTARDML Laughing So The Tears Are Running Down My Leg LSI Large Scale Integrated (circuitry) / Large Scale Integration LSL Link Support Layer LSLC Line Stabilizer / Line Conditioner LSM Logical Storage Manager / Lotus Smart Movie (file format) LSN Logical Session Number LSP Link State Packet LSR Leaf Setup Request LSRP Local Switching Replacement Planning (system) LSRR Loose Source and Record Route LSS Loop Switching System LSSU Link Status Signal Unit LSV Line Status Verifier LT Line Termination LTA Line TurnAround LTAB Line Test Access Bus LTB Last Trunk Busy LTC Local Test Cabinet LTD Limited / Local Test Desk LTDI Learning and Technology Dissemination Initiative LTE Line Terminating Entity LTF Lightwave Terminating Frame / Line Trunk Frame LTG Line Trunk Group LTIP Laughing Till I Puke LTM LAN Traffic Monitor LTNS Long Time No See LTP Link Test Pulse LTRS Letter Shift LTS Laughing To Self / Loss Test Set LU Local Use / Logical Unit LUA Logical Unit Application LUG Local User Group LUN Logical Unit Number LUNI LAN emulation User-to-Network Interface LUT Look-Up Table LUV Lisp Users and Vendors (conference) LUW Logical Units of Work LUWAMH Love You With All My Heart LVM Line Verification Module / Logical Volume Manager LWSP Logical White SPace LWT Listen While Talk LXE Lightguide eXpress Entry LY Love Ya LYTB Love you too, babe LZW Lempel-Ziv-Welch (compression algorithm) M Mega- / Megabyte / Meter (usually as m) M-) See no evil M/W MicroWave M2 Mondo 2000 M3P Microsoft MultiMedia Productions MA MA bell / Maintenance Administrator / Milliampere (usually as mA) / Multiplexed Address MAAP Management And Administration Panels MABO Multiplier-Arithmetic Bolt-On MAC Macintosh Computer / Management and Administrative Computing / Media Access Control / Medium Access Control / Message Authentication / Multi Access Computers / Multiplexed Analog Components MACBS Multi-Access Cable Billing System MACF Multiple Association Control Function MACH Multi-layer ACtuator Head MACINTOSH Most Applications Crash; If Not, The Operating System Hangs MACL Memory Access Control Logic MACSTAR Multiple Access Customer STAtion Rearrangement MACU Multidrop Auto Call Unit MADN Multiple Access Directory Numbers MAGIK Master Anarchists Giving Illicit Knowledge MAH Milliampere-Hour (usually as mAh) MAI Masters of Abstractions and Illusions MAN Metropolitan Area Network MAP Modular Arthemetic Processor / Manufacturing Automation Processor / Maintenance and Administration Position / Manufacturing Automation Protocol MAPDU Management Application Protocol Data Unit MAPHIS Memory Array and Processor for Human Intelligence Stor MAPI Messaging Application Programming Interface MAPS Multiservice Access PlatformS MAPSS Maintenance & Analysis Plan for Special Services MAR Microprogram Address Register MARC MAchine - Readable Cataloging / Market Analysis of Revenue and Customers System MARCOM Marketing Communications MARS Multicast Address Resolution Server/Service MAS MAin Store / Mass Announcement System MASB Mass Announcement System Bus MASC Mass Announcement System Controller MASE Message Administration Service Element MASM Mass Announcement System Memory MASS Mid-Atlantic and Southern States MATAC MATerial ACquisition MATD Maximum Acceptable Transit Delay MATFAP Metropolitan Area Transmission Facility Analysis Program MATR Minimum Average Time Requirement MATV Master Antenna Television MAU Medium Attachment Unit / Multistation Access Unit MAW Microsoft At Work MB Megabit (usually as Mb - 1024 kilobytes) / MegaByte (usually as MB) / Memoryless Behavior / MotherBoard MB/S Megabits per Second (usually as mb/s) MBBS Major Bulletin Board System MBG Money Back Guarantee MBIT More (data) Bit MBOD Manufacturing Board of Directors MBONE Multicast backBONE MBPS Megabits Per Second (usually as Mbps) / MegaBytes Per MBR Master Boot Record MBS Master Boot Sector / Maximum Burst Size MBT Maximum Burst Tolerance MBU Manufacturing Business Unit MBZS Maximum Bandwidth Zero Suppression MC MicroChannel (architecture) / Mini Cartridge MCA Micro Channel Architecture MCAD Mechanical Computer Aided Design MCAM Manufacturing Corporate Account Manager MCBTY(SN) My Computer is Better than Yours (So Nyerrr) MCC Master Control Center / Microelectronics and Computer technology Corporation MCCS Mechanized Calling Card Service MCE Machine Check Exception MCESS Mechanical Component Engineering Support Service MCF MAC Convergence Function MCGA Multi-Color Graphics Array/Adaptor MCH Maintenance CHannel MCHB Maintenance CHannel Buffer MCI Media Control Interface / Microwave Communications Incorporated / MCIAS Multi-Channel Intelligent Announcement System MCIS Microsoft Commercial Internet System MCN Metropolitan Campus Network MCO Multiplexer Control Option MCP Master Control Program / Microsoft Certified Professional MCR Minimum Cell Rate MCS Maintenance Control Subsystem / Meeting Communications Service / Microsoft Consulting Services / Multinational Character Set MCT Manufacturing Cycle Time MCTD Mean Cell Transfer Delay MCTRAP Mechanized Customer Trouble Report Analysis Plan/Program MCU Mobile Control Unit / Multi Chip Unit / Multiport Conferencing Unit MCVD Modified Chemical Vapor Deposit MD Make Directory (DOS) / Management Domain / Mediation Device / Message Digest / Mobile Data / Multiple Dissemination / Medical Dumbo MD5 Message Digest 5 (algorithm) MDA Monochrome Display Adapter MDACS Modular Digital Access Control System MDB Microsoft DataBase (usually as .MDB) / Multidimensional DataBase MDBS Mobile DataBase System MDC Manipulation Detecting Code / Marker Distributor Control / Market Distributor Control / McAfee Development Center / Meridian Digital Centrex MDCC Mobile Data Capture & Communications MDD Marshals of Dynamic Discord MDDB MultiDimensional DataBase MDDS Media and Documentation Update Service MDF Main Distribution Frame MDI Medium Dependent Interface MDI Multiple Document Interface MDIHMLAIGE My dog is humping my leg and i'm getting excited MDIS Meta Data Interchange Specification MD-IS Mobile Data, Intermediate System MDK Multimedia Development Kit MDP Modem Distribution Panel MDR Message Detail Record / Message Detail Recording MDRAM Multibank Dynamic Random Access Memory MDS Mail Delivery System / Message Design System(s) / Multiple Dataset System MDSE Message Delivery Service Element MDSL Medium-bit-rate Digital Subscriber Line MDT Mobile Data Terminal MDTS Modem Diagnostic and Test System MDU Marker Decoder Unit MDX Modular Digital eXchange ME Mapping Entity / Mechanical Engineering / Mutually Exclusive MEC Mobile Equipment Console MEG Megabyte MELD Mechanized Engineering and Layout for Distributing Frame MEM Manufacturing Engineering and Marketing MEO Medium Earth Orbit (satellite) MERS Most Economic Route Selection MES Manufacturing Execution System MESI Modified, Exclusive, Shared, Invalid MET Memory Enhancement Technology (usually as MEt) / Multibutton Electronic Telephone METI Mailbase Exploring the Internet Workshop MF Mediation Function / Medium Frequency / Modulated Frequency / More Fragments / Multi-Frequency / Multiple Frequency MFC Microsoft Foundation Class(es) MFENET Magnetic Fusion Energy NETwork MFG More Friendly Garbage / Manufacturing MFJ Modification of Final Judgment / Modified Final Judgment MFLOPS Millions of FLoating point Operations Per Second MFM Modified Frequency Modulation / Most Favored Nation (trading status) MFOTS Military Fiber-Optic Transmission System MFP Microsoft Foundation Classes MFP MultiFunction Peripherals MFPS Mathematical Foundations of Programming Semantics MFR Multi-Frequency Receivers MFS Macintosh File System MFT Metallic Facility Terminal MFTL My Favourite Toy Language MFTP Multi-cast File Transfer Protocol MG MasterGroup MGA Monochrome Graphics Adapter MGT MasterGroup Translator MH Message Handling MHBFY My Heart Bleeds For You MHD Moving Head Disk MHDC(A) My Hard Drive Crashed (Again) MHOTY my hat's off to you MHP Message Handling Protocol MHS Message Handling Service / Message Handling System MHTS Message Handling Test System MHZ Megahertz (usually as MHz) MI Machine Interface / Mode Indicate / Multiple Inheritance MIB Man In Black, super-secret government agents [X-Philes (fans)] / Management Information Base(s) MIC Management Information Center / Management Integration Consortium / Medium Interface Cable / Medium Interface Connector / Memory In Cassette / Microphone / Microsoft Internet Chat / Mode Indicate - Common MICA Modem ISDN Channel Aggregation MICE Modular Integrated Communications Environment MICR Magnetic Ink Character Recognition MICROSOFT Majority In Country Realise Operating System Of Fools & Techheads / Making Imaginative Creations Requires Other Superior Forms Of Faster Technology / Most Idiots Can't Realize: Obsolete Software Organization For Technology / Most Intelligent Customers Realise Our Software Often Fails Terribly / Most Intelligent Customers realise Our Software Only Fools Teenagers. MICROTEL Microsoft-Intel MICS Management Information Conformance Statement MID Message ID / Message Identifier MIDA Message Interchange for Distributed Application MIDAS Manchester Information, Datasets and Associated Services / Master Integrated Distribution Subcontracting Agreement MIDI Musical Instrument Digital Interface MIDR Mosaicked Image Data Record MIF Management Information File / Master Item File MIFF Management Information Format File MIG Metal-In-Gap MII Medium Independent Interface MIL Management Information Library MILES Merisel's Information and Logistical Efficency System MILNET Military Network MIM Management Information Model MIME Multimedia/Multipurpose Internet Mail Extension(s) MIMG Media Industry Marketing Group MIN Mobile Identification Number MIND Modular Interactive Network Designer MINX Multimedia Information Network Exchange MIO Modular Input/Output MIP Multim In Parvum MIPL Multimission Image Processing Laboratory/Library MIPS Meaningless Indication of Processor Speed / Millions of Instructions Per Second / Multimission Image Processing Subsystem MIR Material Increase Request / Maximum Information Rate / Micro-Instruction Register mIRC (is defined as) Magnificent Internet Relay Chat (according to `rock in #mIRC Undernet) MIS Management Information System(s) MISCF MISCellaneous Frame MISG Market Information Services Group MIT Management Information Tree / Massachusetts Institute of Technology / Master Installation Tape MITI Ministry of International Trade and Industry MITS Microcomputer Interactive Test System MITV Microsoft Interactive Television MJU Multipoint Junction Unit MKDIR Make Directory (DOS) MLA Multiple Letter Acronym MLC MiniLine Card MLCD Multi-Line Call Detail MLDS Medium Large Disk Systems MLHG MultiLine Hunt Group MLI Multiple Link Interface MLID Multiple Link Interface Driver MLN Main Listed Number MLP Maynard List Price / MultiLink Procedures / MultiLink Protocol MLPC Model Level planning Committee MLPP MultiLevel Precedence and Preemption MLPPP MultiLink Point to Point Protocol MLR Multichannel Linear Recording MLS Multi-Level Security MLT Mechanized Loop Testing / Multiple Logical Terminals MM Millimeter (usually as mm) / Multimedia MMAC MultiMedia Access Center MMC Mickey Mouse Club / Minicomputer Maintenance Center / Multimedia Marketing Council MMCD MultiMedia Compact Disc (format) MMD MultiMedia Document MMDF Multi-channel Memorandum Distribution Facility MMDS Multipoint Multichannel Distribution Service MMF MultiMode Fiber / MultiMode Fiberoptic (cable) MMFS Manufacturing Message Format Standard MMGT Multimaster Group Translator MMHS Military Message Handling System MMI Man Machine Interface MMIF My Mouth Is Full MMJ Modified Modular Jack MML Man - Machine Language MMOC Minicomputer Maintenance Operations Center MMS Main Memory Status / Manufacturing Message Service/Standard / Manufacturing Messaging Specification / Memory Management System / Modular Measurement System MMT Multimedia Multiparty Teleconferencing MMU Memory Management Unit MMX Mastergroup Multiplex(er) / Multimedia Extension(s) MNCS Multipoint Network Control System MNDS Multi-Network Design System MNP Microcom Networking Protocol MO Magneto-Optical / Managed Object MOAC Message Origin Authentication Check MOAT Mother Of All Tests MOB Men Of Business MOC Manufacturing Outreach Center MOCA Merisel Open Computing Alliance MOCS Managed-Object Conformance Statement MOD Masters Of Deception/Destruction/Disaster MODEM MOdulator-DEModulator MOF Master Order Form MOG Minicomputer Operations Group MOL Microsoft Open License MOLAP Multidimensional OnLine Analytical Processing MOLI Microsoft OnLine Institute MOM Manager-Of-Manager / Message Oriented Middleware / Microsoft Office Manager MOMPL one MOMent PLease... MOMV Manned Orbital Maneuvering Vehicle MOO MUD, Object Oriented / Multi-user dungeon Object-Oriented MOP Maintenance Operations Protocol MORF Male OR Female (usually as MorF) MOS Material Order System / Metal Oxide Semiconductor MOSFET Metal Oxide Semiconductor Field Effect Transistor MOSIS Metal Oxide Semiconductor Implementation System MOSPF Multicast Open Shortest Path First MOSS MIME Object Security Services MOST Metal Oxide Semiconductor Transistor MOT Managed Object to Test / Masters Of Technology / Means Of Testing MOTAS Member Of The Appropriate Sex MOTD Message of the day MOTIS Message Oriented Text Interchange System MOTOS Member Of The Opposite Sex MOTSS Member Of The Same Sex MoU Memorandum of Understanding MOV Metal Oxide Varistor MP Machine Processable / Managing Process / Modem Port / Multilink Protocol / Multi-Processor MPC Mathematics of Program Construction / Multimedia Personal Computer MPCC MultiProtocol Communications Controller MPCH Main Parallel CHannel MPD Mini Port Driver MPDT Multi-Peer Data Transmission MPDU Message Protocol Data Unit MPE MultiProgramming Executive MPEG Motion Picture Expert's Group MPF Multilink Packet Fragmentation MPI Message Passing Interface / Multiple Protocol Interface MPL Multi-schedule Private Line MPLS Multi-Protocol Label Switching MPME Manufacturing Process and Material Engineering MPOA Multiple Protocol Over ATM / MultiProtocol Over ATM MPOW Multiple Purpose Operator Workstation MPP Massively Parallel Processor(ing) / Multilink Point-to-point Protocol MPPD Multi-Purpose Peripheral Device MPR Multiple Provider Router / Multi-Port Repeater / Multi-Protocol Router MPS Master Production Schedule / Multi-Processor Specification MPSA MultiProcessor Server Architecture MPSC Manufacturing Planning and Control Systems MPT Ministry of Posts and Telecommunications MPTM Multi-Parity Test Method MPW Macintosh Programmers' Workshop MPX MultiPleXer MQ Message Queing MQI Message Queuing Interface MR (modem) Modem Ready / Magneto-Resistive / Message Retrieval MRAA Meter Reading Access Arrangement MRAM Multibank Random Access Memory MRB Multiple Resolution Bitmaps (usually as .MRB) MRC Management Response Center / Manufacturing Resource Center / Market Research Center / Medical Research Council MRCS Multi-Rate Circuit Switching MRF Maintenance Reset Function MRI Magnetic Resonance Imaging MRM Maximum Rights Mask / Most Recently used Master MRO Multi-Region Operation MRP Manufacturing Resource Planning MRSE Message Retrieval Service Element MRX Magneto-Resistive eXtended MS Maintenance State / Message Store / Meta Signaling / Microsoft / Microsoft System(s) / Milli-seconds (usually as ms) / More Segments MSAP MAC Service Access Point MSAT Mobile SATellite MSAU Multi-Station Access Unit MSB Mid-Range Systems Business / Most Significant Bit / Most Significant Byte MSC Media Stimulated Calling MSCDEX Microsoft Compact Disc Extensions MSCP Mass Storage Control Protocol MSD Micro Systems Development / Microsoft Diagnotic / Microwave Semiconductor Device / Most Significant Digit MSDL Microsoft Download (service) MSDN Microsoft Developer Network MSDOS MicroSoft Disk Operating System MS-DOS Microsoft Disk Operating System MSDS Material Safety Data Sheet MSF Measurement Summarization Function MSFC Marshall Space Flight Center MSG Message MSI Medium Scale Integration / Mustang Software, Inc. MSJ Microsoft Systems Journal MSL Microsoft Library / Mirrored-Server Link MSM Matrix Switch Module MSN Microsoft Network / Monitoring cell Sequence Number / Multiple Subscriber Number MSO Mobile Switching Office / Multiple System(s) Operator(s) MSP Message Security Protocol MSPM Manufacturing System Program Manager MSR Model-Specific Registers MSRP Manufacturer's Suggested Retail Price MSS Maritime Satellite Service / Metropolitan Switching System / Mobile Satellite Service / Modem Substitution Switch / Multiprotocol Switched Services MSSC Marketing Sales Strategy Committee MSSE Message Submission Service Element MSSSE Message Submission and Storage Service Element MST Minimum Spanning Tree MSTP Multimission Software Transmission Project MSTS MicroSoft Terminal Server MSU Message Signal Unit / Microsoft University / Modem Sharing Unit MSVC Meta-Signaling Virtual Channel MT Measured Time / Mitel MTA Mail Transfer / Mail Transfer Agent / Major Trading Area / Message Transfer Agent MTAE Message Transfer Agent Entity MTAU Metallic Test Access Unit MTB Magnetic Tape Billing MTBF Mean Time Before Failure / Mean Time Between Failure(s) MTBSI Mean Time Between System Interruptions MTC Manufacturing Technology Center MTCN Minimum Throughput Class Negotiation MTEBBS Maryland Technology Education Bulletin Board Service MTF Master Test Frame / More To Follow MTFBWY May The Force Be With You MTL Message Transfer Layer MTOS MultiTasking Operating System MTP Message Transfer Part (SS7) / Message Transfer Protocol MTR Mechanized Time Reporting MTS Message Telecommunications Service / Message Telephone / Message Transfer Service / Message Transfer System / Message Transport Service / Microsoft Transaction Server / Mobile Telephone Service MTSE Message Transfer Service Element MTSL Message Transfer SubLayer MTSO Mobile Telephone Switching Office MTTA Multi-Tenant Telecommunications Association MTTR Mean Time To Repair MTU Maintenance Termination Unit / Maximum Transmission Unit / Media Tech Unit / Message Transfer Unit MTX Mobile Telephone Exchange MU Message Unit MUA Mail User Agent MUAA Modem User's Association of America MUD Multi/Multiple User Dungeon / Multi-User Dimension (games) / Multi-User Dimensions / Multi-User Domain MUF Maximum Usable Frequency MUG Multi User Game MULDEM Multiplexer/Demultiplexer MULTICS Multiplexed Information and Computing Service MUP Multiple Uniform naming convention Provider MUS MultiUser System MUSH Multi-User Shared Hallucination MUX Multiplexer MV Millivolt (usually as mV) MVB MicroVax Business MVID Major Vector ID MVIP Multi-Vendor Integration Protocol MVP Modular Voice Processor / Multiline Variety Package MVS Multiple Virtual Storage MVS/ESA Multiple Virtual Storage / Enterprise Systems Architecture MVS/SP Multiple Virtual Storage / System Product MVS/TSO Multiple Virtual Storage/Time Sharing Option MVS/XA Multiple Virtual Storage / eXtended Architecture MW MicroWave / MilliWatt (usually as mW) / MultiWink MWI Message Waiting Indicator MWN Message Waiting Notification MX Mail Exchange (record) / Mail Exchanger MXU MultipleXer Unit MYOB Mind Your Own Business N Normal N/A Not Acceptable N/A Not Acceptable / Not Applicable NA Next Address / Not Acceptable / Not Applicable / Numerical Aperture NAA Newspaper Association of America NAA! Not Another Acronym! NAC Network Access Controller / Network Administration Center / Network Applications Consortium / Networks And Communications / New Age Crackers NACHA National Automated Clearing House Association NACK Negative Acknowledgement NACM Networks and Communications Marketing NACOMEX National Computer Exchange NACS NetWare Asynchronous Communications Server / Novell As NADF North American Directory Forum NADT Not A Darn Thing NAEB North American EDIFACT Board NAEC Novell Authorized Education Center NAG Network Architecture Group NAK Negative AcKnowledgment (ASCII) NAL Netware Application Launcher NALOPKT Not A Lot Of People Know That NAM Network Access Method / Number Assignment Module NAMAS National Measurement Accreditation Services NAMS Network Analysis and Management System NAMTUG North American MAP/TOP Users' Group NAN National Area Network NAND Not-And Gate NANP North American Numbering Plan NAP Network Access Point NAPE National Pirate Exchange (usually as NaPE) NAPL National Association of Printers and Lithographers NAPLPS North American Presentation Level Protocol Syntax NAPPA Northern American Phreakers/Piraters Association NARC Nuclear Phreakers/Hackers/Carders NARUC National Association of Regulatory Utilities Commissio NAS Network Application Support / Numerical and Atmospheric Sciences (network) NASA National Aeronautics and Space Administration NASI NetWare Asynchronous Services Interface NASM Named Account Sales Manager NASTD National Association of State Telecommunications Direc NAT Network Address Translation NATA National Association of Testing Authorities NATD National Association of Telecommunications Dealers NATOA National Association of Telecommunication Officers and NAU Network Access Unit / Network Addressable Unit NAUN Nearest Active Upstream Neighbor / Nearest Addressable NBB Number of Bytes of Binary NBD No Big Deal NBEC Non-Bell Exchange Carrier NBEUI Network BIOS Extended User Interface NBIF No basis in fact NBL Not bloody likely NBMA Non-Broadcast Multiple Access NBNS NetBIOS Name Server NBP Name Binding Protocol / NetBIOS Protocol NBS National Bureau of Standards NC Network Channel / Network Computer / Network Connection / no comment NCA Network Computing Architecture NCAIR National Center for Automated Information Research NCB Network Control Block NCC National Computing Center / Network Control Center / Norwegian Cracking Company NCCF Network Communications Control Facility NCF NetWare Command File NCI Network Channel Interface NCIA Native Client Interface Architecture NCIC National Crime Information Center/Computer / Network Control Interface Channel NCL Network Control Language NCM Network Connection Management / Node Controller Module NCMOS N-channel Complementary Metal Oxide Semiconductor NCMS Network Control and Management System NCP NetWare Core Protocol / Network Control Point/Program NCPS Netware Cross-Platform Services / Novell Cross Platform Services NCR National Cash Register NCS National Communications System / Network Computing System / Network Control System NCSA National Center for Supercomput(er)(ing) Applications / National Computer Security Association NCSC National Computer Security Center NCSI Network Communications Services Interface NCSL National Computer Systems Laboratory NCT Network Control Terminal NCTE Network Channel Terminating/Termination Equipment NCUG National Centrex Users' Group ND Network Digit NDA National Directory Assistance / Network Delivery Access / NonDisclosure Agreement NDC Network Data Collection NDCC Network Data Collection Center NDD NetWare Directory Database NDIAG Norton Diagnostics NDIS Network Device Interface Specification NDL Network Database Language NDM Network Database Managment NDMP Network Data Management Protocol NDMS NetWare Distributed Management Services NDN National Distribution Network / Non-Delivery Notification NDPS NetWare Distributed Printing Services NDR Network Data Representation NDS NetWare Directory Services / Network Data System / Novell Directory Service NDT Net Data Throughput / No Dead Trees NDTS Network Diagnostic and Test System NDU Network Device Utility NE Network Element NEAP Novell Education Academic Partner NEARNET New England Academic and Research Network NEAS North East Atlantic States NEAT Novell Easy Administration Tool NEBS New/Network Equipment Building System NEC National Electric Code / Nippon Electronic Company NEF Network Element Function NEMA National Electrical Manufacturers Association NEP Noise Equivalent Power NERC Natural Environment Research Council NERD National Establishment for Real Dorks NES Net Equipment Sales NESAC National Electronic Switching Assistance Center NESC National Electric Safety Code NESS Network of European Ship-building Students NET (The) Internet (sometimes as The NET) / Network (as high level domain .net) / Network Entity Title / Norme Europeenne de Telecommunications (European) NETBEUI Network Basic input/output system Extended User Interface NETBIOS Network Basic Input/Output System NETDDE Network Dynamic Data Exchange (usually as NetDDE) NETIPC Network InterProcess Communication NEUA National Elite Underground Alliance NEWS Network Error Warning System / Novell Electronic Webcasting Service NEXT Near End X-Talk / Near-End Cross Talk NF Not Finished NFA No Flaming Allowed NFF No Form Feed NFI no friggin' idea NFS Network File System NFSP National Federation of Software Pirates NFT Network File Transfer NFW No F**king Way NFWM No Fu**ing Way Man! NFX (The) New Fone Express (magazine) NGI Next-Generation Internet NH Nazi Hackers / Non-busy Hour NHAS New Hampshire Administrative Services NHOB Non-specific Hierarchical Operational Binding NHR Non Hierarchical Routing NHRP Next Hop Resolution Protocol / Next Hop Routing Protocol / Non-Hierarchical Routing Protocol NHTSA National Highway Traffic Safety Administration NI National ISDN (sometimes as NI-1) / Network Interconnect / Network Interface NI-1 National ISDN 1 NIA Network Information Access (newsletter) NIC Network Information Center / Network Interface Card NICAD Nickel Cadmium (usually as NiCad) NICD NIckel CaDium (usually NiCd) NICE Network Information and Control Exchange NID Network Interface Device NIDL Network Interface Definition Language NIFOC Nude In Front Of Computer NIFOK Naked In Front of the Keyboard NIGGER now I've gotto go eveict Racists NIH National Institutes of Health NII National Information Infrastructure NIIT National Information Infrastructure Testbed (coalition NIM Network Interface Module NIMBY Not in My Back Yard NiMH Nickel Metal Hydride NIMH Nickel Metal Hydride (usually as NiMH) NIMH NIckel Metal Hydroxide NIMS Near Infrared Mapping Spectrometer NIOD Network Inward/Outward Dialing NIOS NetWare Input/Output System NIPS Neural Information Processing Systems NIR Networked Information Retrieval NIRF Near Infrared Fluorophores NIS Names Infomation Socket / National Information System / Network Information Service NISDN Narrowband Integrated Services Digital Network N-ISDN Narrowband Integrated Services Digital Network NISE Network Installation Service Engineer NISO National Information Standards Organization NISP Networked Information Services Project NISS National Information Services and Systems NIST National Institute of Standards and Technology NIST-APP National Institute of Standards and Technology Applica NIU Network Interface Unit NIUF North american ISDN Users' Forum NJE Network Job Entry NJTH Not Just Thinking Here NL Network Layer NLB Number of Lines of Binary NLDM Network Logical Data Manager NLM NetWare Loadable Module(s) NLP Name Lookup Protocol / Natural Language Processing NLPID Network Layer Protocol IDentifier NLQ Near-Letter Quality NLS National Language Support / oNLine Service / Online System NLSP NetWare Link Service Protocol NM Never mind / Nanometer (usually as Nm) / Network Management / Network Module NMA NetWare Management Agent / Network Management Architecture NMC Network Management Center NMCC Network Management Control Center NME Network Management Entity NMF Network Management Forum NMI Nautilus Memory Interconnect / Nonmaskable Interrupt / Non-Maskable Interrupt NMO Network Management Option NMOS Negative-channel Metal Oxide Semiconductor NMP Network Management Protocol NMR NetWare Management Responder / Normal Mode Rejection NMS NetWare Management System / Network Management System NMSIG Network Management Special Interest Group NMVT Network Management Vector Transport NN Negative Notification NND National Number Dialing NNF National Nanofabrication Facility NNI Netherlands Normatization Institute / Network Node Interface / Network to Network Interface NNM Network Node Manager NNS NetWare Name Service NNTP Network News Transport/Transfer Protocol NNX Network Numbering Exchange NOAA National Oceanographic and Atmospheric Administration NOC Network Operations Center NOCS Network Operations Center System NOF Network Operations Forum / Not On File NOMS Not on MY System NOOP Network OSI OPerations NOR Net Operating Revenue NORAD North American Defense Command NORGEN Network Operations Report GENerator NOS Network Operating System NOT Nation Of Thieves (usually as NOT!) NOT! Nation Of Thieves NOTIS Network Operator Trouble Information System NOYB - None Of Your Business NP No Problem / Network Performance / Network Provider / New Project NPA National Phreaker's Alliance / Northern Phreaker's Alliance / NetWare Peripheral Architecture / Network Professional Association / No Power Alarm / Number Planning Area / Numbering Plan Area NPAI Network Protocol Address Information NPAP Network Printing Alliance Protocol NPC Network Parameter Control / North Pacific Cable / Northern Phun (Phreaker Hacker Underground Network) Company NPDA Network Problem Determination Application NPDU Network Protocol Data Unit NPF Network Partitioning Facility NPIP New Product Integration Process NPL National Physical Laboratory NPM NetView Performance Monitor NPN Notes Public Network NPO New Product Operations NPR National Performance Review / Network Process Engineering / Normal Priority Request NPRM Notice of Proposed Rule Making NPSI Network Packet Switch Interface NPSS NASA Packet Switching System NPSU New Product Start Up NPTN National Public Telecomputing Network NPV Net Present Value NRC National Research Council / No-Read Checking NRCS National Replacement Character Set NREN National Research and Education Network NRM Network Resource Management NRN No reply necessary / Novell Remote Network NRS Name Registration Scheme NRT Non-Real Time NRZ Non-Return to Zero (signaling) NRZI Non - Return to Zero, Inverted NRZ-L Non - Return to Zero - Level NRZL Non-Return to Zero Level NS Nanosecond (usually as ns) / Network Service NSA National Security Agency / National Security Anarchists / Next Station Addressing NSAG Netskills Advisory Group NSAI National Standards Authority of Ireland NSAP Network Service(s) Access Point NSAPI Netscape Server Application Programming Interface NSC National Security Council / National Semiconductor / Network Service Center NSCS Network Service Center System NSDD National Security Decision Directive NSE (Novell) Network Support Encyclopedia NSEC Network Switching Engineering Center NSEL Network SELector NSEP National Security and Emergency Preparedness NSF National Science Foundation NSFNET National Science Foundation NETwork NSI (RPC) Name Service Independent / NASA Science Internet / Network Solutions, Inc. NSM Network Systems Management NSO National Standards Organization NSP National Service Provider / NATO Standardized Profile / Network Service Part (SS7) / Network Services Protocol NSPMP Network Switching Performance Measurement Plan NSR Non-Source Routed NSS No Shit, Shylock / Nodal Switching System NSSDU Normal Session Service Data Unit NSSG Netskills Steering Group NSSII Network Supervisory System II NSSR Non - Specific Subordinate Reference NSTL National Software Testing Laboratories NT Nested Task (flag) / Network Termination / New Technology (as in Windows NT) / Network Terminal / Northern Telecom NTA Nokturnal Trading Alliance NTAS (Windows) New Technology Advanced Server NTD Network Tools for Design NTE Network Terminal Equipment NTEC Network Technical Equipment Center NTFS (Windows) NT File System / New Technology File System NTFS NT File System NTI New Technologies/Technology Initiative / Novell Technology Institute NTIA National Telecommunications and Information Administration/Agency NTIS National Technical Information Service NTISSC National Telecommunications and Information Systems Steering NTK Nice To Know NTL Nevertheless NTLM NT Lan Manager NTM Network Traffic Management NTMP Network Training Materials Project NTN Network Terminal Number NTP Network Time Protocol NTPF Number of Terminals Per Failure NTS Network Technical Support / Network Test System / Network Tracking System NTSA Networking Technical Support Alliance NTSC National Television Standards Committee / New Technologies Sub-Committee NTT Nippon Telegraph and Telephone / Numbered Test Trunk NTTAWWT not that there's anything wrong with that NTU Network Terminating Unit NUA Network User Address / Network Users' Association NUCFS NetWare UNIX Client File System NUI NetWare Users International / Network User Identification / Network User Interface NUMA Non-Uniform Memory Access (architecture) NUNP No Users, No Problems NUP New User Password NURBS NonUniform Rational B-Spline NUS National Union of Students NVE Network Visible Entity NVLAP National Voluntary Laboratory Accreditation Program NVN National Videtex Network NVP Nominal Velocity of Propagation NVRAM Nonvolatile Random Access Memory NVRAM Non-Volatile Random Access Memory NVT Novell Virtual Terminal NVTS Network Virtual Terminal Service NWG Network Working Group NWI New Work Item NWSS Networks & Site Services NYC New York Crackers NYCTMI Now You Come To Mention It NYNEX New York - New England Exchange / New York, New England and the unknown (X) NYSERNET New York State Education and Research Network NYSHII New York Safe House II O Organization O/S Operating System O:) Angel(ic) / Halo O:-) Angel(ic) / Halo O:O A girl is mooning you O--< Fishy O2 Object Oriented OA Office Automation / Order Administration / Order Administration OA&M Operations Administration & Maintainance OAG Open Applications Group OAGEE Official Airlines Guide Electronic Edition OAM Operations, Administration and Maintenance OAM&P Operation, Administration, Maintenance, and Provisioni OAO Over And Out OARS On a Related Subject OASYS Office Automation SYStem OATUS On a Totally Unrelated Subject OAUS on an unrelated subject Ob- [as a prefix] obligatory Ob Ob- [as a prefix] obligatory / Out of Bounds OBE Overtaken By Events Objoke Obligatory joke OBTW Oh, by the way OBU Option Business Unit OC Operator Centralization OCAP Orange Cats Are Pretty OCC Other Common Carrier OCD Out of Cell Delineation OCE Open Collaboration Environment / Other Common carrier channel Equipment / Other Common Equipment OCF Object Components Framework OCIRYITM Of course i'll respect you in the morning OCIS Organized Crime Information Systems OCLC Online Computer Library Catalog OCPS Open Content Publisher Standard OCR Optical Character Reader / Optical Character Recognition OCRC Option Change Review Committee OCS Original ChipSet, the first custom chipset for the amiga. OCU Office Channel Unit OCX OLE Custom control OD Outdial ODA Office Document Architecture ODAC Operations Distribution Administration Center ODBC Open Database Compliant/Connectivity ODD Operator Distance Dialing ODDD Operator Direct Distance Dialing ODI Open Data Interface / Open Data-link Interface ODMA Open Document Management API ODMG Object Database Management Group ODN OutDial Notification ODS Optical Data Systems/Stream ODSI Open Directory Service Interface OEM Original Equipment Manufacturer OEMF Open Element Management Framework OF Overflow OFB (K-bit) Output Feedback OFC Open Financial Connectivity (specification) OFDM Orthogonal Frequency Division Multiplexing OFG Originally Funny Guys OFNPS Outstate Facility Network Planning System OGT OutGoing Trunk OGT Out-Going Trunk OGVT OutGoing Verification Trunk OH (modem) Off Hook OHP OverHead Projection (film) OIC - Oh, I See OIC Oh I see OIC Oh, I See OIC Oh, I See! OIP Opportunity Investment Planning OIS Office and Information Systems OJT On the Job Training OL Old Lady (significant other) OL Ordered List OLAP OnLine Analytical Processing OLAP On-Line Analytical Processing OLE Object Linking and Embedding OLI Originating Line Information OLTM Optical Line Terminating Multiplexer O-LTM Optical Line Terminating Multiplexer OLTP OnLine Transaction Processing OLTP On-Line Transaction Processing OLX Off-Line eXpress OM Old Man (significant other) OMA Object Management Architecture OMC Office of Munitions Control OMG Oh My God / Object Management Group (model) OML Open Modeling Language OMM Output Message Manual OMNI Organising Medical Networked Information OMPF Operation and Maintenance Processor Frame OMR Optical Mark Recognition OMT Object Modeling Technique ONAC Operations Network Administration Center ONAL Off Network Access Line ONAW Oh No! Another Wedgie ONE Open Network Environment ONI Operator Number Identification ONLY Used by shareware authors who over-price, ie. "Only $99.95." ONMS Open Network Management System ONNA Oh No, Not Again ONNTA Oh No, Not This Again ONU Optical Networking Unit OO Object Orientation/Oriented OOB Out Of Band(width) OOC Out Of Character OOD Office of Development (Central Engineering) OODBMS Object-Oriented DataBase Management System OODCE Object Oriented Distributed Computing Environment OOF Out Of Frame OOFNet Our Own Fucking Net OOI Out Of Interest OOO Out Of Order OOP Object Oriented Programming OOPSLA Object Oriented Programming Systems, Language and Appl OOSOOM Out of Sight, Out of Mind OOT Object Oriented Technology OOTB Out Of The Box (brand new) OOTC Obligatory On-Topic Comment OOUI Object Oriented User Interface OP Operator / Option / Outside Plant OPAC On-line Public Access Catalogue OPAL On-line Presentation Access Library OPC Organic Photoconducting Cartridge / Originating Point Codes OPCR Operator Actions Program / Original Program Clock Reference OPEN Open Protocol Enhanced Networks OPEOS Outside Plant Engineering and Operations System OPI Open Prepress Interface OPL Organizer Programming Language OPM Outage Performance Monitoring / Outside Plant Module OPOM Organizational Program Office Manager OPOS OLE for Point Of Sale OPS Off Premises Station OPS Operations / Oracle Parallel Server OPSM Outside Plant Subscriber Module OPT Open Protocol Technology OPX Off Premises eXtension OQR Object Query Language OQS Object Query Service OR Originating Register ORB Object Request Broker / Office Repeater Bay ORDBMS Object-Relational DataBase Management System ORG Organization (usually as .org) ORM Object Role Modeling / Optical Remote Module ORMS Operating Resource Management System ORPC Object Remote Procedure Call ORSD Object Registration Service Daemon (usually as orsd) OS Operating System / Operator Service / Output Spy (ITS) / OutState OS/2 Half an Operating System / Obsolete Soon, Too. / Operating System/2 O-S-< In a hurry OSAC Operator Services Assistance Center OSC Operator Services Center / OSCillator OSCA Open Systems Color Association OSD Open Software Description OSDS Operating System for Distributed Switching OSE Open Systems Environment / Open Software Foundation / Operations System Function OSF/DCE Open Software Foundation Distributed Computing Environ OSI Open Systems Interconnect(ion) / Open Standards Interconnect(ion) / OSID Originating Signaling Identifier OSIE Open Systems Interconnection Environment OSINET Open Systems Interconnection NETwork OSIRM Open Systems Interconnection Reference Model OSM OS Specific Module OSME Open Systems Message Exchange OSO Originating Signaling Office OSP Office of Sales Programs / OutSide Plant OSPF Open Shortest Path First (protocol) OSPS Operator Service Position System OSR OEM Service Release / OEM System Release / Operating System-Specific / Operational Support System/Services / Operator Service(s) System OSSWG Office System Standards Work Group OST Originating Station Treatment OSTA Optical Storage Technology Association OSTC Open Systems Testing Consortium OSTP Office of Science and Technology Policy OSWS Operating System WorkStation OT Off topic / Open Transport OTA Office of Technology Assessment OTB Off to bed OTC Over the Counter / Operating Telephone Company OTD Off the Dock OTDR Optical Time Domain Reflectometer(s) OTE Off Track Excursion / Off Track Experience OTF On the Floor / Object Testing Framework OTFM Only the Facts, Mam OTL Out To Lunch / OSI Testing Liaison OTM Object Transaction Monitor OTOH On The Other Hand OTOOH On The Other Other Hand OTP One Time Programmable / Order Transaction Processing OTQ Out-going Trunk Queuing OTR Operational Trouble Report OTS Off The Shelf OTT Over The Top OTTH On the third hand OTTOMH Off the Top of My Head OTTOMHAROOB Off the Top of My Head and Rolling Out of Bounds OTW On the Whole OU Organizational Unit OUI Organization Unique Identifier / Organizational Unit I OURS Open User Recommended Solutions (user group) OUTWATS OUTward Wide Area Telecommunications Service OV OpenView OVD Optical Video Disk OVDA Optical Video Disc Association OW Over-Write OWF One-Way Function / Optimum Working Frequency OWL Object Windows Library OWRTS Open - Wire Radio Transmission System OWTL Open - Wire Transmission Line OWTTE Or Words to that Effect O-Z-< In a big hurry P&L Profit and Loss P&P Peace and Protection P&S Publish and Subscribe P.S Post Scriptum P.S. Post Scriptum P/AR Peak-to-Average Radio P/F Poll / Final bit P/H/A Phreakers / Hackers / Anarchists PA Power Alarm / Precision Architecture (RISC) / Program Address / Public Address PAA Peer Access Approved PABG Pack a Big Gun PABX Private Automatic Branch Exchange PAC Point-And-Click / Pricing and Announcement Committee / Privilege Access Certificate PACCEPT Presentation Accept PACE Program for Arrangement of Cables and Equipment PACS Personal Access Communications System / Picture Archiving and Communication System PACT Prefix Access Code Translator PAD Packet Assembler-Disassembler / Packet Assembly/Disassembly PADSX Partially Automated Digital Signal Cross-Connect PAE Page Address Extensions / Peer Access Enforcement PAEB Pan - American EDIFACT Board PAG Phreaks Against Geeks PAGODA Profile Alignment Group for Office Document Architecture PAIN Pirating Artistically Intrepid Newsmongers PAL Phase Alteration Standard / Phase Alternating Line / Programmable Array Logic PAM Peachtree Accounting - Macintosh / Pulse Amplitude Modulation PAN Peripheral Area Network / Personal Account Number PANS Pretty Advanced New Stuff PAP Password Authentication Protocol / Practical Applications of Prolog / Printer Access Protocol PAPAG Phreaks Against Phreaks Against Geeks PAR Peak-to-Average Ratio / Positive Acknowledgment with Retransmission PARADISE Piloting A Researcher's Directory Service in Europe PARC Palo Alto Research Center (Xerox PARC) PAS Public Announcement Service/System / Public Available Standards / Publicly Available Submitter PASI Production, Availability, Shipments, Inventory PAT Power Alarm Test PATS Parameterized Abstract Test Suite PAW Peachtree Accounting for Windows / Pirates Analyze Warez PAX Private Automatic Exchange PB Pacific Brigade PBC Peripheral Bus Computer / Pipelined Burst Cache / Processor Bus Controller PBD Pacific Bell Directory PBGA Plastic Ball Grid Array PBIS Peachtree Business Internet Suite PBKAC Problem Between Keyboard and Chair PBM Product Business Manager PBMS Pacific Bell Mobile Services PBNI Pacific Bell Network Integration PBS Portable Base Station PBT Profit Before Tax PBU Product Business Unit PBX Personal/Private/Product/Public Branch Exchange PC Personal Computer / Politically correct / Primary Center / Priority Control / Production Control / Protocol Control PCA Peachtree Complete Accounting / Performance and Coverage Analyzer PCAMI Personal Computing Asset Management Institute PCB Printed Circuit Board PCD Page Cache Disable (pins) PCDA Program Controlled Data Acquisition PCDOS Personal Computer Disk Operating System PC-DOS Personal Computer Disk Operating System PCE Presentation Connection Endpoint PCEI Presentation Connection Endpoint Identifier PCEO Personal Computer Enhancement Operation PCEP Presentation Connection EndPoint PCFC Polytechnics and Colleges Funding Councils PCH Parallel CHannel PCI Peripheral Component Interconnect / Presentation Context Identifier / Program Controlled Interruption / Personal Computer Interface / Protocol Control Information PCL Printer Control Language PCM Plug Compatible Manufacturer / Product Capacity Manager / Profit Contribution Margin / Pulse Code Modulation PCMCIA People Can't Memorize Computer Industry Acronyms / Personal Computer Memory Card International Association PCN Personal Communications Networks PCO Peg Count and Overflow PCO Point of Control and Observation PCONNECT Presentation Connect PCP PC Pursuit / Pyscho Corporate Productions PCPM Programmable Call Progress Monitoring PCR Peak Cell Rate / Personal Computer Rats / Post Call Ratio / Program Clock Reference / Personal Communication System / Proxy Cache Server / Personal Communications Services / Personal Conferencing Standard / Plastic Clad Silica PCSA Personal Computer(ing) System Architecture PCSG Personal Computing Systems Group PCSN Private Circuit - Switching Network PCTE Portable Common Tool Environment PCTR Protocol Conformance Test Report PCTV Program Controlled TransVerters PCU Packet Control Unit PCWG Personal Conferencing Work Group PCYLIHOONL Please Cross Your Legs, I Have Only One Nail Left PD Packetization Delay / Peripheral Decoder / Phase-Change - Dual / Physical Delivery / Public domain PDA Personal Digital Assistant / Public Display of Affection PDAD Proposed Draft ADdendum PDAM Proposed Draft AMendment PDAU Physical Delivery Access Unit PDC Primary Domain Controller PDES Product Data Exchange Standard PDF Portable Document File / Portable Document Format / Power Distribution Frame PDF Printer Definition File PDH Plesiochronous Digital Hierarchy PDI Power and Data Interface PDIF Product Definition Interchange Format PDISP Proposed Draft International Standardized Profile PDL Page Description Language PDM Pulse Duration Modulation PDN Public Data Network PDO Portable Distributed Object PDP Parallel Data Processor / Peripheral Data Processing / Program Data Processor / Page Directory Pointers PDQ Pretty Damn(ed) Quick(ly) / Peachtree Data Query PDR Probe Data Register PDS Please Don't Shoot / Packet Driver Specification / Parallel Data Structure / Partition DataSet / Premise Distribution System / Planetary Data System / Physical Delivery Service / Planetary Data System / Premises Distribution System / Processor Direct Slot PDSP Peripheral Data Storage Processor PDTR Proposed Draft Technical Report PDU Packet Data Unit / Protocol Data Unit PE Public Enemy / Peripheral Equipment PEB PCM Expansion Bus PECC Product Engineering Control Center PEDI Protocol for Electronic Data Interchange PEG Public, Educational, and Governmental PEL Picture Element PEM Privacy Enhanced Mail / Product Error Message PEN Public Electronic Network PENTIUM Produces Erroneous Numbers Through Incorrect Understanding of Mathematics PEP Packet Exchange Protocol / Packetized Ensemble Protocol / Performance Enhancement Package / Personal Enrichment Program / Platform Environment Profile PEPM Partial Evaluation and semantics-based Program Manipulation PEPY Presentation Element Parser, YACC PER Packed Encoding Rules PERL Practical Extraction and Reporting Language PET Positron Emission Tomography PETS Parameterized Executable Test Suite PF Parity Flag / Poll-Final (bit) / Program Function PFA Page Frame Address / Peachtree First Accounting PFEP Programmable Front - End Processor PFM Pure Freaking Magic / Pulse Frequency Modulation PFPU Processor Frame Power Unit PG Peripheral Gateway PGA Pin Grid Array (socket) / Professional Graphics Adapter PGE Paging Global Extensions PGI Parameter Group Identifier PGL Peer Group Leader (ATM Forum) PGP Pretty Good Privacy PH Packet Handler / Parity High (bit) PHA Phreakers/Hackers/Anarchists PHACT Phreakers/Hackers/Anarchists/Cyberpunks/Technologists PHANTSY Phantasy Magazine PHD Phreak/Hacker Destroyers (usually as PhD) PHIGS Programmer Hierarchical Interactive Graphics System PHUCK Phone Hackers United Crash Kill PHUK Phreak/Hack, United Kingdom (sometimes as P-H-UK PHUN Phreaker/Hackers Underground Network PI Politically Incorrect / Private Investigator / Parameter Identifier / Peripherals Interface / Physical Inventory / Pirate Incorporated / Processing Instruction / Protocol Identifier PIA Pain in the as* / Peripheral Interface Adapter / Plug-In Administrator / PIC Politically incorrect / Personal Identification Code / Plastic Insulated Cable / Polyolefin Insulated Cables / Preferred InterExchange Carrier / Primary Inter-exchange Carrier / Primary Independent Carrier / Programmable Interrupt Controller PICS Platform for Internet Content Selection / Plug-in Inventory Control System / Protocol Implementation Conformance Statement / Prgrammable Interrupt Controller PID Proprietary Information Disclosure / Protocol IDentifier PIE Personal Interactive Electronics PIF Phase Interface Fading / Program Information File / Program Information File (usually as .PIF) / PIFT Protocol Interbank File Transfer PIG Product Information Guide PIL Pirates In Legion PIM Personal Information Manager / Personal Information Manager / Protocol Independent Multicast PIM Port Interface Module PIMP Personal Internet Mail Processor PIN Personal Identification Number PINE Program for Internet News and E-mail PING Packet InterNet Groper PINX Private Integrated Services Network Exchange PIO Programmed Input/Output / P Internet Protocol / Packet Interface Port PIPE Primary Integrated Platform Environment PIR Probe Instruction Register / Protocol Independent Routing PIRCH Pathetic IRC CHat PITA Pain In The Ass PITB Pain in the butt PITR Product Inter-operation Test Report PITS Pie In The Sky PIU Path Information Unit PIXEL Picture Element PIXIT Protocol Implementation Extra Information for Testing PJL Printer Job Language PKC Public Key Cryptography PKCS Public Key Crypto System PKE Public Key Encryption PKI Public - Key Infrastructure PL Parity Low (bit) / Physical Layer / Presentation Layer / Private Line PL/1 Programming Language / 1 PL/M Programming Language for Microcomputers PLA Programmed Logic Array PLB Picture-Level Benchmark PLCC Plastic Leaded-Chip Carrier / Plastic Leadless Chip Carrier PLCP Physical Layer Convergence Procedure PLCP Physical Layer Convergence Protocol PLD Phase Lock Demodulator / Programmable Logic Device PLDI Programming Language Design and Implementation PLE Public Local Exchange PLILP Programming Language, Implementations, Logics and Prog PLL Phase Locked Loop PLOKTA Press Lots Of Keys To Abort PLOU Physical Layer Overhead Unit PLP Packet Layer Protocol/Procedure / Packet Level Procedure PLS Please / Physical Layer Signaling / Programmable Logic Sequencer PLSAP Physical Layer Service Access Point PLU Primary Logical Unit PLV Production-Level Video PM Pardon Me / Performance Management / Peripheral Module / Phase Modulation / Physical Medium / Plant Management / Private Message / Protocol Machine PMA Performance Measurement Analysis / Physical Medium Attachment PMAC Packet Media Access Controller / Peripheral Module Access Controller PMBI Pardon my butting in PMBX Private Manual Branch Exchange PMCR Probe Mode Control Register PMD Physical Medium Dependent (Sublayer) / PostMaster Daemon (usually as pmd) PMETC Pardon Me, etc. PMFBI Pardon Me For Butting In PMFJI Pardon Me For Jumping In PMG Product Marketing Group PMI Physical Medium Independent (Sublayer) / Private Memory Interconnect PMIGBOM Put Mind In Gear Before Opening Mouth PMJI Pardon My Jumping In / Pardon me, Jumping in PMMU Paged Memory Management Unit PMN Performance Monitoring PMOS Pisitive-channel Metal Oxide Semiconductor PMP Peed My Pants / PMP Point to MultiPoint PMR Poor Mans Routing PMS Pantone Matching System / Paranoid Media Scrutinization / Peoples Message Service / Public Message Service PMT Packet-Mode Terminal / Planning Methodology Team PMU Precision Measurement Unit PMX Packet Multiplexer / Private Message Exchange PMYMHMMFSWGAD Pardon Me, You Must Have Mistaken Me for Someone Who Gives A Damn PN Personal Name / Positive Notification PNA Private Network Adapter PNB Pacific Northwest Bell PNC Personal Number Calling PND Present Next Digit PNG Portable Network Graphics PNIC Private Network Identification Code PNNI Private Network to Network Interface / Private Network-Node Interface PNO Public Network Operator PNP Plug aNd Play / Plug N Play (usually as PnP) PNPN Positive-Negative-Positive-Negative (devices) PO Purchase Order POA Power Open Association / Power of Attorney POAC Probe Origin Authentication Check POAHF Put On A Happy Face POB Peripheral Order Buffer POC Point of Contact POCE Pantone Open Color Environment POD Piece Of Data PODC Principles Of Distributed Computing POF Programmable Operator Facility POH Path OverHead / Power On Hours POI Point Overhead Indicator POM Point of Manufacturing PON Passive Optical Network PONSI Program On Non-collegiate Sponsored Instruction POOR Protectors Of Our Rights POP Point Of Presence / Post Office Protocol / Programmable Option Select POP3 Post Office Protocol version 3 POPL Principles Of Programming Languages POPs Points of Prescence (points of local access to the net) POQ Pis* Off Quickly POQADCB Pis* Off Quickly and Don't Come back POS Point Of Sale / Programmable Option Select POSC Petrotechnical Open Software Corporation POSI Promoting OSI POSIX Portable Operating System Interface eXtension POSSLQ Person of Opposite Sex Sharing Living Quarters POST Power On - Self Test POT Point Of Termination POTS Plain Old Telephone Service POV Point of view PP Parallel Port / Post Pay / Pre Pay PP&E Production, Planning, and Execution PPA Privacy Protection Act / Professional Prepress Alliance PPARC Particle Physics and Astronomy Research Council PPC Program - to - Program Communication / Peer - to - Pee PPCI Presentation Protocol Control Information PPD Peripheral Pulse Distributor / Post Script Printer Description / Post-Script Printer Description / Product Phase Down / Presentation Protocol Data Unit PPI Pixels Per Inch (usually as ppi) / Programmable Peripheral Interface PPIC Phose-Phree-Inner-Circle PPL PeoPLe / Periodic Payment License PPM Pages Per Minute (usually ppm) / Pages Per Month / Parts Per Million / Presentation Protocol Machine / Principal Period Maintenance / Pulse Position Modulation PPN Private Packet Network / Programmer Project Number; now known as ID# or UserId / Project Program Number / Public Packet Switching PPOPP Principles and Practice Of Parallel Programming PPP Petty Pet Peeve / Point to Point Protocol PPP/MP Point-to-Point Protocol/Multilink Protocol PPPMP Point-to-Point Protocol Multilink Protocol PPQN Pulses Per Quarter-Note (MIDI) PPS Packets Per Second / Product Performance Surveys / Public Packet Switching / Public Packet Switching Network / Pulses Per Second PPSDN Public Packet - Switched Data Network PPSN Public Packet - Switched Network PPSU Personal Printer Spooling Utility PPTM Protocol Profile Testing Methodology PPTP Point-to-Point Tunneling Protocol PQFP Plastic Quad Flat Pack (socket) PR Prepare / Path Replacement PRA Parabolic Reflector Antenna / Primary Rate Access PRAM Parallel Random Access Memory / Programmable Random Access Memory / Parameter Random Access Memory PRB Packet Receive Buffer PRCA Puerto Rico Communications Authority PRDMD Private Directory Management Domain PRE Prefix PREFUSE Presentation Refuse PREMIS PREMises Information System PREVIS Previsualization PRG Purge PRI (ISDN) Primary Rate Interface / Primary Rate Interface PRID PRotocol IDentifier PRIMOS Prime Operating System PRM Protocol Reference Model PRMD Private Mail Domain / Private Management Domain PRML Partial Response - Maximum Likelihood PRN Printer PROFS PRofessional OFfice System PROGRES PROgramming with Graph REwriting Systems PROLOG PROgramming in LOGic (programming language) PROM Programmable Read-Only Memory PROMATS PROgrammable MAgnetic Tape System PROMIS Prosecutors Management Information Systems PROTEL PRocedure Oriented Type Enforcing Language PRS Personal Response System PRTC Puerto Rico Telephone Company PRTM Printing Response Time Monitor PRTSC Print Screen (usually as PrtSc) PRW Peachtree Report Writer PS Personal System / Physical Sequence / Programmed Symbols / Physical Sequential / Post Scriptum / PostScript / Preferred Service / Presentation Service / Print Server / Program Store / Proposed Standard PS/2 Personal System/2 PSAP Presentation Service Access Point / Public Safety Answering Point (911) PSC Peachtree Support Center / Prime Service Contractor / Print Server Control / Protection Switching Circuit / Public Safety Calling system / Public Service Commission PSD Power Spectral Density PSDC Public Switched Digital Capability PSDN Packet-Switched Data Network / Public Switched Data Network PSDS Public Switched Digital Service PSDU Presentation Service Data Unit PSE Packet Switch Exchange / Page Size Extension / Power Series Expansion PSEC Picosecond (one trillionth of a second) PSEL Presentation Selector PSF Permanent Swap File PSG Peripheral and Supplies Group / Product Shipping Guide PSH Push (flag) PSI Packet Switching Interface / Performance Summary Interval / Performance Systems International / Pounds per Square Inch / Process to Support Interoperability / Programmable Serial Interface PSIU Packet Switch Interface Unit PSK Phase-Shift Keying PSM (SQL) Persistent Stored Modules / Packet Service Module / Phase Shift Modulation / Position Switching Module PSN Packet Switched Network / Packet Switching Node / Public Switched Network PSO Pending Service Order PSP Presentation Services Process PSPDN Packet Switched Public Data Network PSR Probe Status Register PSRAM Pseudo-Static Random Access Memory PSRG Privacy and Security Research Group PSS Packet Switch Stream / Packet Switched Services / Performance Support Systems / Professional Software Services PSS1 Private Signalling System 1 PST Pre-Structured Technology (development process) PSTN Public Switched Telephone Network PSU Portable Storage Unit / Program Storage Unit / Power Supply Unit PSW Program Status Word PT Pass Through / Payload Type / Please Token / Program Timer PTA Personal Telecommunications Assistant PTAN Performance Testing Alliance for Networks PTAT Private Trans Atlantic Telecommunications PTB Powers that be PTC Part Time Crackers / Public Telephone Companies PTE Packet Transport Equipment / Path Terminating Entity / Path Terminating Equipment PTG Physical Technology Group PTI Payload Type Identifier PTL Pirates That Live / Praise The Lord PTM Pulse Time Modulation PTMM Please Tell Me More PTN Personal Telecommunications Number PTNX Private Telecommunications Network eXchange PTO Public Telecommunication network Operator / Public Telephone Operator PTP Peer-To-Peer / Point-To-Point PTR Pointer PTS Position and Trunk Scanner / Profile Test Specification PTSE PNNI Topology State Element (ATM Forum) PTSP PNNI Topology State Packet PTT Postal Telegraph and Telephone / Postal Telephone and Telegraph PTTXAU Public TeleTex Access Unit PTW Primary Translation Word PTXAU Public Telex Access Unit PU Physical Unit PUC Peripheral Unit Controller / Public Utilities Commission / Public Utility Commission PUCP Physical Unit Control Point PUN Physical Unit Number PUP PARC Universal Packet (protocol) PV Parameter Value PVC Permanent Virtual Channel / Permanent Virtual Circuit(s) / Permanent Virtual Connection / Permanent Virtual Connections / Polyvinyl Chloride PVCC Permanent Virtual Channel Connection PVI Protected mode Vrtual Interrupts PVM Parallel Virtual Machine PVN Private Virtual Network PVPC Permanent Virutal Path Connection PVT Permanent Virtual Terminal PWA Pirates With Attitude PWD Present Working Directory (UNIX Command) PWI Public Windows Interface PWM Pulse Width Modulation PWS Peer Web Services PWT Page Write - Through (pins) PXP Packet eXchange Protocol Q Queue q=] Alternative smily with a backward hat on QA Quality Assurance / Queue Arbitrated QAF Q Adapter Function QAM Quadrature Amplitude Modulation QAS Quasi-Associated Signaling QBE Query By Example QBIC Query By Image Content QBIT Qualified Bit QBM Query By Model QBOD Quality Board of Directors QBP QuickBooks Pro QC Quality Control QD Queuing Delay QDN Query Direct Number QDSS Q-Bus Dragon Sub-System QEMM Quarterdeck Extended Memory Manager QFA Quick File Access QFP Quad Flat Pack QIC Quarter Inch Cartridge / Quarter Inch Committee QIO Queue Input / Output QLLC Qualified Link Level Control / Qualified Logical Link QMP Quality Measurement Plan QMS Quality Micro Systems QND Quantum Network Design QOH Quantity On Hand QOS Quality Of Service (sometimes as QoS) QP Quattro Pro QPA Quality Program Analysis QPSK Quadrative/Quadrature Phase-Shift Keying QPSX Queued Packet and Synchronous circuit eXchange QR Quick Response QRSS Quasi Random Signal Source QSIG Unified International corporate network signalling standard QSL Reply QSO Conversation / QWK Support Option QSS Quality Solution System / Quality Surveillance System QT Cutie / Qualification Test / Quick Time QTAM Queued Telecommunications Access Method QTML QuickTime Media Layer QTVR QuickTime Virtual Reality QTW Quick-Time for Windows QVSS Q-Bus Viper Sub-System QWEST Quantum-Well Envelope State Transition R Reminder / Ring R&R Rate & Route R&SE Research & Systems Engineering R-) Broken Glasses R/O Read/Only R/W Read Write R/WM Read/Write Memory RA Rate Adapter (0, 1, 2) / Read Audit / Recognition Arrangement / Registration Authority RAB RAID Advisory Board RABID Rebellion Against Big Irrepressible Dweebs RACE Research and development of Advanced Communication in Europe RAD Rapid Application Development / Remote Antenna Driver RAD/RASP Remote Antenna Driver / Remote Antenna Signal Processor RADAR RAdio Detection And Ranging RADD Rapid Application Development and Deployment RADF Reversing Automatic Document Feeder RADIUS Remote Authentication Dial-In User Service RADSL Rate Adaptive Digital Subscriber Line RAEBNC Read and enjoyed, but no comment. RAF Record Address File RAG Registration and Advisory Group RAI Remote Alarm Signal RAID Redundant Array of Independent Disks / Redundant Array of Inexpensive Disk/Drives RAM Random Access Memory / Remote Access Modem RAMAC RAID Architecture with Multilevel Adaptive Cache RAMDAC Random Access Memory Digital To Analog Converter RAMP Reliability, Availability, Maintainability Program RAND Rural Area Network Design RAO Regional Accounting Office / Remote Automation Objects / Revenue Accounting Office RAR Return Address Register RARE Reseaux Associes pour la Recherche Europeenne (Europe - see TERNA) RARP Reverse Address Resolution Protocol RAS Remote Access Server / Remote Access Service / Row Address Strobe RASC Residence Account Service Center RASP Remote Antenna Signal Processor RBB Residential Broadband RBDS Radio Broadcast Data System RBG Realtime Business Group RBHC Regional Bell Holding Company RBL ? RBOC Regional Bell Operating Company(ies) RBOR Request Basic Output Report RBS Robbed Bit Signaling RC MAC Recent Change Memory Administration Center / Read Committed (isolation level) / Reduced Cost / Regional Center / Remote Control / Resistance-Capacitance / Routing Control RCAC Remote Computer Access Communications service RCC Radio Common Carrier / Remote Cluster Controller / Reverse Command Channel RCD Receiver-Carrier Detector RCF Remote Call Forwarding RCLDN Retrieval of Calling Line Directory Number RCM Remote Carrier Module RCSC Remote Spooling Communications Subsystem RCU Radio Channel Unit RCV Receiver RCVR Receiver RD (modem) Receive Data / Remove Directory (DOS) / Route Descriptor RDA Remote Data Access / Remote Database Access RDAU Remote Data Access Unit RDB Relational DataBase RDBA Remote DataBase Access RDBMS Relational DataBase Management System / Remote DataBase Management System RDC Remote Data Concentrator RDES Remote Data Entry System RDF Radio Direction Finding / Rate Decrease Factor RDI Remote Defect Identification / Remote Defect Indicator / Remote Defect Ind RDL Relational Database Language RDL-SQL Relational Database Language - Structured Query Language RDLSQL Relational Database Language Structured Query Language RDM Report Display Manager RDN Relative Distinguished Name RDO Remote Data Objects RDP Reliable Datagram Protocol RDS Radio Digital System RDSN Region Digital Switched Network RDT Radio Digital Terminal / Recall Dial Tone / Referenced Data Transfer / Remote Digital Terminal / Restricted Data Transmissions RE Repeat / Returned / Recall (a supplementary service) / Reference Equivalent / Regarding REBI Reliability of Electronic Business Information REC RARE Executive Committee / Record (as in tape Record-ing) / Regional Engineering Center RECS Reseller Electronic Communication System REHI Hello Again (returned/repeat - Hi!) REJ Reject REM Remark / Remote Equipment Module / Ring Error Monitor REMF Reverse ElectroMagnetic Force REMOB REMote OBservation REMOBS REMote OBservation System REN Rename (DOS) / Ring Equivalence Number / Ringer Equivalence Number REP Repeater Expansion Port / Repertory Dialing RES Reserved RESCU Remote Emergency Satellite ResCue Unit RET Resolution Enhancement Technology (usually as REt) RETLA Really Extended Three Letter Acronym REV Revenue / Revision REXEC REmote eXECutable/Execution REXX REstructured eXtended eXecuter (language) RF Radio Frequency / Resume Flag RF/DC Radio Frequency / Data Communication RF/ID Radio Frequency Identification RFA Remote File Access RFC [Internet] Request For Comment / Radio Frequency Choke RFD Regional Frequency Divider / Request For Discussion RFDC Radio Frequency Data Communication RFI Radio Frequency Interface/Interference / Request for Information RFID Radio Frequency Identification RFNM Request For Next Message RFP Request For Proposal RFQ Request For Quotation RFS Remote File Server/Service / Remote File System RFT Request For Technology / Revisable Form Text / Revisable Format Text RFTDCA Revisable Form Text Document Content Architecture RG Radio Government RGB Red-Green-Blue RH Relative Humidity / Request Header / Response Header RHOB Relevant Hierarchical Operational Binding RI Reference Implementation / Rename Inhibit / Ring In (MAU Connector) / Ring Indication / Ring Indicator (signal) / Routing Indicator / Routing Information RIB Routing Information Base RID Remote Isolation Device RII Routing Information Indicator RIN Relative Intensity Noise RIOT Revolution In Our Time RIP Rest in Peace / Raster Image Processor / Remote Imaging Protocol / Revolutionizing International Piracy / Router Information Protocol / Routing Information Protocol RIPE Reseaux IP Europeenne RIS Remote Installation Service RISC Reduced Into Silly Code / Reduced Instruction Set Computer(ing) / Reduced Instruction Set Code RISD Reference Information Systems Development RISE Retrieval and Interchange of Standards in Europe RISLU Remote Integrated Services Line Unit RJ Registered Jack (as in RJ-11 and RJ-45) RJE Remote Job Entry RL Real life RLCM Remote Line Concentrating Module RLE Run Lenth Encoded (graphic format) RLL Run Length Limited RLM Remote Line Module RLOGIN Remote Login RLSD Received Line Signal Detector RLT Remote Line Test RM Reference Manual/Model / Resource Management RMA Return Merchandise Authorization RMAS Remote Memory Administration System RMATS Remote Maintenance And Testing System RMB Right Mouse Button RMDIR Remove Directory (DOS) RMDM Reference Model of Data Management RMF Remote Management Facility RMI (Java) Remote Method Invocation RMON Remote Monitor standard / Remote network MONitoring RMONMIB Remote network MONitoring Management Information Base RMP Remote Maintenance Protocol RMR Remote Message Register(s) RMS Root Mean Squared / Record Management Services RMTP Reliable Multicast Tranport Protocol RN Receipt Notification / Reference Noise RNA Ring, No Answer (communication or telephone term for a problem) RNE Reseau National d'Essal (National Network for Testing) RNG Random Number Generator RNOC Regional Network Operations Center RNR Receiver Not Ready RO Read Only / Receive Only / Remote Operations / Ring Out (MAU connector) RO(T)FL rolling on the floor laughing ROA Return On Assets ROAC Report Origin Authentication Check ROADS Resources Organisation And Discovery in Subject based Services ROB Remote Order Buffer ROC Regional Operating Company ROCIE Riverside/Orange County/Inland Empire (Net) ROER Remote Operations ERror ROFFNAR Rolling on the Floor for no Apparent Reason ROFL Rolling On (the)Floor Laughing [appropriate response for good jokes] {ROTFL for illiterate people} ROFLAPMP Rolling On (the)Floor Laughing And Peeing My Pants ROFLASTC Rolling On (the) Floor Laughing And Scaring The Cat ROFLGO Rolling On (the) Floor Laughing Guts Out ROFLMAO Rolling On (the) Floor Laughing My A** Off ROFLMAOAY ROFLMAO At You ROFLMAOWTIME ROFLMAO With Tears In My Eyes ROFLOL Rolling on the Floor Laughing Out Loud ROFLOLBAG Rolling on the Floor Laughing Out Loud Busting a Gut ROFLUTS Rolling On (the)Floor Laughing Unable to Speak ROFLWMP Rolling on the Floor Wetting My Pants ROFPML Rolling on the Floor Peeing Myself Laughing ROH Receiver Off-Hook ROI Return On Investment ROIV Remote Operations InVoke ROLAP Relational On-Line Analytical Processing ROLC Routing Over Large Clouds ROM Read Only Memory ROP Raster OPerations ROPM Remote Operations Protocol Machine RORE Remote Operations Return Error RORJ Remote Operations ReJect RORS Remote Operations ReSponse ROS Read-Only Store ROSE Remote Operations Service Element ROT Reign of Terror ROTBA Reality on the Blink Again ROTF Rolling On The Floor ROTF,L - Rolling On The Floor, Laughing ROTFL roll(ing) on the floor laughing (also, ROF,L; ROFL) ROTFLABIC Rolling On The Floor Laughing and biting into carpet ROTFLAHMS Rolling On The Floor Laughing And Holding My Side ROTFLBTC ROTFL biting the carpet ROTFLBTCUTS ROTFLBTC .. unable to stop ROTFLGO ROTFL... guts out ROTFLLTC ROTFL... licking the glue ROTFLMAO Rolling On the Floor, Laughing My A** Off ROTFLSTC ROTFL... scaring the cat ROTL Remote Office Test Lines RPC Registered Protective Circuitry / Remote Procedure Call RPDFT Robustly Path Delay Fault Testable RPE Remote Peripheral Equipment RPG Remote Password Generator / Report Program Generator (programming language) / Role Playing Game(s) RPI Rockwell Protocol Interface RPL Remote Procedure Load / Remote Program Load RPM Reduced Parts Menu / Relentless Pursuit of Magnificence / Remote Process Management / Revolution Per Minute (usually rpm) / Rotations Per Minute RPN Reverse Polish Notation RPOA Recognized Private Operating Agency RPQ Request for Price Quotation RPS Redundant Power Supply RPV Remotely Piloted Vehicle RQS Rate/Quote System RQSM Regional Quality Service Management RQT Reliability Quality Test RR Ready to Receive / Receiver Ready / Repeatable Read (isolation level) / Reply requested RRO Reports Receiving Office RRT Reverse Recovery Time RS Recommended Standard / Record Separator (ASCII) / Remote Single-layer / Resume Session / Ring Station RSA Reference System Architecture / Repair Service Attendant / Rivest, Shamir and Adleman (Encryption algorithm) RSA-PPDU ReSynchronize Acknowledge Presentation Protocol Data Unit RSAPPDU ReSynchronize Acknowledge Presentation Protocol Data Unit RSAT Reliability and System Architecture Testing RSB Repair Service Bureau RSC Remote Switching Center / Residence Service Center RSCS Remote Source Control System / Remote Spooling and Control/Communications Subsystem RSE Remote Single-layer Embedded / Removable Storage Elements RSEXEC Resource Sharing EXECutive RSFG Route Server Functional Group (ATM Forum) RSH Remote SHell / Restricted SHell RSI Repetitive Strain Injury RSL Received Signal Level / Remote Ship List RSLE Remote Subscriber Line Equipment RSLM Remote Subscriber Line Module RSN Real Soon Now (usually sarcastically) / Remote Switching Module RSO Regional Standards Organization RSPPDU ReSynchronize Presentation Protocol Data Unit RS-PPDU ReSynchronize Presentation Protocol Data Unit RSPX Remote Sequenced Packet eXchange RSRB Remote Source Route Bridging RSS Reception Support Statement / Remote Switching System RSTE/E Resource System Time Sharing - Enhanced/Extended/Environment RSU Remote Switching Unit RSVP Rdb Solutions Vendor Program / Resourse reSerVation Protocol / Revolutionary Surrealist Vandal Party RT Real-Time / Reliable Transfer / Roundtable / Routing Table / Routing Type RT/DSS Real-Time/Decision Support Service RTA Real-Time Accelerator / Remote Trunk Arrangement RTAB Reliable Transfer ABort RTAS Real-time Technology and Application Symposium RTBG RealTime Business Group RTC Real-Time Clock / RARE Technical Committee RTCP Real time Transport Control Protocol RTD Resistance Temperature Detector RTDox read the documentations RTE Remote Terminal Emulation RTEL Reverse TELnet RTF Rich Text Format RTFAQ Read The FAQ RTFFAQ Read The F**king FAQ RTFI Read the Friendly Instructions RTFM Read the "fine" manual / read the f#$%ing manual / Read the (Flipping) Manual. / Realtime Traffic Flow Measurement RTI Remote Terminal Identification RTK Right - To - Know RTKNET Right - To - Know NETwork RTM Read the manual / Resistor-Transistor Logic / Run Time Library / Regional Telecommunications Management / Remote Test Module RTMP Routing Table Maintenance Protocol RTN Routing Transit Number RTNR Ringing Tone No Reply RTOAC Reliable Transfer Open Accept RTORJ Reliable Transfer Open Reject RTORQ Reliable Transfer Open Request RTOS Real Time Operating System RTP Real-time Transport Protocol RTPM Reliable Transfer Protocol Machine RTS Real-Time System / Reliable Transfer Service / Remote Testing System / Request To Send / Residual Time Stamp RTSE Reliable Transfer Service Element RTSP Real Time Streaming Protocol RTT Round - Trip Time RTTI Run-Time Type Identification RTTY Radio Teletype RTU Remote Trunking Unit RTV Real-Time Video RU Read Uncommitted (isolation level) / Request Unit / Response Unit RUA Remote User Agent RUCUS Rhodes University Computer Users Society RUIP Remote User Information Program RUM Remote User Multiplex RUOK Are You OK? RVD (MIT) Remote Virtual Disk RVI Reverse Interrupt RW Read - Write RWC Remote Work Center RWCC Regional Workshop Coordinating Committee RWSCC Regional WorkShop Coordinating Committee RX Receive (Transmission or Data) / Remote Exchange RZ Return to Zero RZI Return to Zero, Inverted S&NIJUG Scottish and Northern Ireland Janet User Group S Shareable / Sleeve S/MIME Secure Multimedia Internet Mail Extensions S/WAN Secure Wide Area Network S2MP Scalable Shared memory MultiProcessor SA Assistant Scoutmaster / Selective Availability / Source Address / Storage Array / Study Administration SAA Service Aspects and Applications / Systems Application Architecture SAAL Signalling ATM Adaptation Layer SABB Storage Array Building Block SABM Set Asynchronous Balanced Mode SABME Set Asynchronous Balanced Mode Extended SABRE Semi-Automatic Business Research Environment SAC Service Area Code / Special Area Code / Service Area Computer / Simplified Access Control / Single Attachment Concentrator / SACF Single Association Control Function SACK Selective ACKnowledgment SAF Subnetwork Access Facility SAFE Security And Freedom through Encryption / Security Awareness From Education SAFENET Survivable Adaptable Fiberoptic Embedded Network SAFTE SCSI Accessed Fault-Tolerant Enclosure SAF-TE SCSI Accessed Fault-Tolerant Enclosure SAG SQL Access Group / Street Address Guide SAGE Semi-Automatic Ground Environment SAI Serving Area Interface SAIL Stanford Artificial Intelligence Lab SAK Selective AcKnowledgment SALI Standalone Automatic Location Identification/Information SALSER Scottish Academic Libraries Serials Project SAM Secure Access Multiport SAMA Step-by-step Automatic Message Accounting SAMNET (UK) Sub-Auroral Magnetometer Network SAN System Area Network / Storage Area Network SAO Single Association Object SAP Secondary or Separate Audio Program / Service Access Point / Service Advertising Protocol SAPI Service Access Point Identifier / Speech Application Programming Interface SAR Some Assembly Required / Segmentation And Reassembly / Store Address Register SARC Symantec Antivirus Research Center SARF Security Alarm Reporting Function SARM Set Asynchronous Response Mode SARTS Switched Access Remote Test System SAS Single Attachment Station/System / Special Access Surcharge / Statistically Assigned Sockets / SWITCH Access System / Switched Access Services SASE Self Addressed Stamped Envelope / Special Application Service Element / System And Support Engineering SASFE SEF/AIS Alarm Signal, Far End SASI Shugart Associates System Interface SASO Saudi Arabian Standards Organization SAT Special Access Termination / Supervisory Audio Tone SATAN Security Administrator Tool for Analyzing Networks SATF Security Audit Trail Function SATNET SATellite NETwork SATS Selected Abstract Test Suite SAW Surface Acoustic Wave SBA Shipping and Billing Authorization SBB System Building Block SBC Single Board Computer SBCN Sitting Behind the Computer, Naked SBCS Single - Byte Character Set SBD silent but deadly (fart) [Beavis & Butthead] cos because SBDN Southern Bell Data Network SBI Storage Bus Interconnect SBIR Small Business Innovation Research (program) SBIT Startup Built In Test SBL Softbridge BASIC Language SBMS Southwestern Bell Mobile Service S-BOX Skunk Box SBP Serial Bus Protocol (sometimes as SBP-2) SBR Storage Business Review SBS Satellite Business Systems / Skyline Business Systems SBT Software Business Technologies SC Scanner Controller / Sectional Center / SubCommittee / Subscriber Connector SCA Short Code Address / Strategic Capital Acquisitions / Subsidiary Communication Authorization / Swiss Cracking Association SCAI Switch to Computer Application Interface SCAM SCSI Configured Auto-Magically SCAT Special Computerized Attack Team / Stromberg-Carlson Assistance Team SCC Satellite Communications Control / Specialized Common Carrier(s) / Standards Council of Canada / Switching Control Center SCCP Signaling Connection Control Part SCCS Specialized Common Carrier Service / Switching Control Center System SCD Software Chronical Digest SCE Service Creation Environment SCF Sectional Center Facility / Selective Call Forwarding SCFM Sub-Carrier Frequency Modulation SCI Scalable Coherent Interface / Strategic Computing Initiative SCIT Semi-Conductor and Interconnect Technologies SCL Switch to Computer Link SCLM Software Configuration and Library Manager SCM Software Configuration Management / Station Class Mark / Subscriber Carrier Module SCMP System Cooperative Marketing Program SCNR Sorry CouldN't Resist SCNR Sorry, CouldN't Resist SCO SemiConductor Operations / Serving Central Office SCONUL Standing Council of National and University Libraries SCOP Standing Conference of Principals of Colleges SCOT Stepper Central Office Tester SCOTS Surveillance and Control Of Transmission System SCP Service/Signal/System Control Point / Signal Conversion Point / System Control Program SCPAM Simple Coded - Pulse Amplitude Modulation SC-PAM Simple Coded - Pulse Amplitude Modulation SCPC Single-Channel Per Carrier / Single-Channel Per Connection SCPD Supplementary Central Pulse Distributor SCR Selective Call Rejection / Silicon Control Rectifiers / Sustainable Cell Rate / Sustained Cell Rate / Satellite Communications Systems SCS Silicon Controlled Switches / SNA Character String / SWITCH Central System / System Communication Services / System Conformance Statement SCSA Signal Computing System Architecture SCSI System Can't See It / Small Computer Standard/System/Storage Interface SCT Screen Capture Text SCTO Soft Carrier Turn-Off SCTR System Conformance Test Report SCU Selector Control Unit SCUSA Standards Council of the United States of America SCX Specialized Communications eXchange SD (modem) Send Data / Start Delimiter SD&D Specific Development & Design SDA Security Domain Authority / Silicon Dream Artists / Software Design Automation SDAP Standard Document Application Profile SDC Software Distribution Center SDE Submission and Delivery Entity SDF Screen Definition Facility / Standard Data Format SDH Synchronous Digital Hierarchy SDI Standard Disk Interconnect / Standard Drive Interface / Strategic Defense Initiative / Supplier Declaration of Inter-operation SDIF SGML Document Interchange Format SDIS Switched Digital Integrated Service SDK Software Development Kit / Software Developer's Kit SDL Shielded Data Link / Specification and Description Language SDL/GR Specification and Description Language Graphical Representation SDL/PR Specification and Description Language Phrase Representation SDLC Synchronous Data Link Control SDLGR Specification and Description Language Graphical Representation SDLP Standard Device Level Protocol SDLPR Specification and Description Language Phrase Representation SDM Space Division Multiplexing / Shareware Distribution Network / Software Defined Network SDNS Secure Data Network System SDSN Secure Data System Network SDO Standards Development Organization SDOC Selective Dynamic Overload Controls SDP Service Delivery Point / Store Delivery Point SDR Store Data Register SDRAM Synchronous Dynamic Random Access Memory SDRP Source Demand Routing Protocol SDS Sales and Distribution Systems / Switched Data Service / Synchronous Data Set SDSAF Switched Digital Services Applications Forum SDSC San Diego Supercomputer Center / Synchronous Data Set Controller SDSE Shadowed Directory Service area specific Entry SDSF System (Spool) Display and Search Facility SDSI Simple Distributed Security Infrastructure SDSL Single-line Digital Subscriber Line / Symmetric Digital Subscriber Loop SDTV Standard-Definition Television SDU Service Data Unit SDX Storage Data Acceleration(Xceleration) SE Session Entity / Society Elite / Sweden / Switching Element SEA Self Extracting Archive (usually as .SEA) / Society for Electronic Access / System Enhancement Associates SEAL Screening External Access Link / Secure Electronic Authorization Laboratory / Secure Electronic Authorization Laboratory / Simple and Efficent Adaption Layer SEAS Signaling Engineering and Administration System SEC Second (usually as sec) / Single Edge Contact SECAM SEquential And Memory / Sequential Couleur Avec Memoire / Systeme En Couleur Avec Memoire SECB Severely Errored Cell Block SEDA Staff and Education Development Association SEE Systems Equipment Engineering SEF Severely Errored Framing / SEF/AIS Severely Errored Framing Alarm Indication Signal SEG Semiconductor Engineering Organization SEH Structured Exception Handling SEI Software Engineering Institute SEIS Software Engineering & Information Systems (research group) SEK Swedish Electrical Commission SEL Selector self-referential.) SELV Safety Extra-Low Voltage (circuit) SEM System Error Message SEP Someone Else's Problem SEPP Secure Electronic Payment Protocol (specification) SEQUEL Structured English QUEry Language SERC Science and Engineering Research Council SES Service Evaluation System SESFE Severely Errored Second Far End SESP Severely Errored Second Path SET Secure Electronic Transaction(s) (specification) SETE Smiling Ear To Ear SETS Selected Executable Test Suite SF Science Fiction / Sign Flag / Single Frequency / Summarization Function / Supervision-control Frequency / Switching Fabric SFA Sales Force Automation SFAIAA So Far As I Am Aware SFD Simple Formattable Document SFE Secure Front End SFI Single Frequency Interface / Society for the Freedom of Information SFLA Stupid Four Letter Acronym SFMC Satellite Facility Management Center SFQL Structured Full-text Query Language SFS Suomen Standardisoimisliitto (Standards Association of Finland) SFT System Fault Tolerance SFU Store and Forward Unit SG Signal Ground / Study Group / Supergroup SGA Sysops Guild Association SGAUA Scitex Graphic Arts Users Association SGFS Special Group on Functional Standardization SGI Silicon Graphics, Inc. SGISP Special Group on International Standardized Profiles SGML Standard Generalized Markup Language / Standard Generic Markup Languange SGML-B Standard Generalized Markup Language - Binary SGMLB Standard Generalized Markup Language Binary SGMP Simple Gateway Management Protocol / Simple Gateway Monitoring Protocol SGND Signal Ground SGRAM Synchronous Graphics Random Access Memory SH Shared SHA Secure Hash Algorithm / Swedish Hackers Association SHDSL Single-Line - High-bit-rate Digital Subscriber Line S-HDSL Single-Line - High-bit-rate Digital Subscriber Line SHEFC Scottish Higher Education Funding Council SHERIFF Statistical Heuristic Engine to Reliably and Intelligently Fight Fraud SHF Super High Frequency SHIBNI SHIpped But Not Invoiced SHID Slaps Head In Disgust SHIT See here - you're gonna get kicked :) SHM Shi* Happens, Mate SHS Secret Hackers Society SHT Short Holding Time SHTML Super HyperText Markup Language S-HTTP Secure HyperText Transfer Protocol SHV Standard High Volume SI Shift In (ASCII) / Source Index / SPDU Identifier / Status Indicator / Step Index SIA Semiconductor Industry Association / Stable Implementation Agreements SIC Serial Interface Card / Silicon Integrated Circuit / Standard Industrial Classification SICS Sitting in Chair Snickering / Service Implementation Conformance Statement SID Satanic Incarnate of Doom / Security IDentifier / Signaling Identifier / Source Identifier / Sudden Ionospheric Disturbance / Switch Interface Device / System IDentification SIDF System Independent Data Format SIDH System Identification Home SIF Standard Input Format SIG Special Interest Group SIGCAT Special Interest Group on CD-Rom Applications and Technology SIGWEB Special Interest Group on the World Wide Web SIIN Shi* if I Know SIL Semiconductor Injection Laser SILS Standard for Interoperable LAN Security SIM Service Industry Marketing / Subscriber Identity Module SIMA Strategic (Support?) Initiative for Multimedia Application SIMCA sitting in my chair amused SIMD Single Instruction Multiple Data SIMM Single Inline Memory Module, a common form of memory. Most amiga cards use 72 pin SIMMs. Most PC SIMMs are not amiga compatible. SIMP Satellite Information Message Protocol SINA Static Integrated Network Access SIO Security Information Object SIP Single In-line Package / SMDS Interface Protocol SIPL State In Programming Languages SIPP Single In-line Pin Package / Single Internet Protocol Plus SIPRNET Secret IP Router Network (usually as SIPRnet) SIR Speaker Independent Recognition SIRDS Single Image Random Dot Stereograms SIS Structured Information Store / Standardisering-skommissionen In Sverige (Swedish Standards Committee) SIT Special Information Tones SITA Society for International Telecommunications for Aeronautics SITD Still in the dark SIVR Speaker Independent Voice Recognition SJG Steve Jackson Games SJWG Security Joint Working Group SK Sofdox Krackers SKIP Simple Key management for Internet Protocols SKISM Smart Kids Into Sick Methods SKU Stock Keeping Unit SL Section Leader / Session Layer SLA Service Level Agreement SLAC Stanford Linear Accelerator Laboratory sLag So Lovely a Guy SLAP Sounds Like A Plan SLC Semiconductor Laser Configurations / Service Level Contract / Software License Configurator / Subscriber Line Charges / Subscriber Loop Carrier SLD Second Level Domain SLE Screen List Editing / Screening Line Editor SLED Single Large Expensive Disk SLF Smurf Liberation Front SLI Southern Lights Incorporated (usually as SLi) SLIC Subscriber Line Interface Card / Subscriber Line Interface Circuit SLIM Subscriber Line Interface Module SLIP Serial Line Interface Protocol / Serial Line Internet Protocol SLMR Silly Little Mail Reader SLR Service Level Reporter / Single Lens Reflex (camera) SLS Sequential Logic Systems / Storage Library System SLT System Load Tape SLU Secondary Logical Unit / Serial Line Unit SM Snail Mail / Standby Monitor / Switching Module SMA Sub-Miniature Assembly SMAE Systems Management Application Entity SMAP Systems Management Application Process SMAPI Simple Messaging Application Programming Interface SMART Source Migration And Reporting Tool SMAS Supplementary MAin Store / Switched Maintenance Access System SMASE Systems Management Application Service Element SMASF Switched Maintenance Access System Frame SMASPU Switched Maintenance Access System Power Unit SMB Server Message Block (protocol) SMC Secretariat Management Committee / Sleep Mode Connection / Standard Microsystems Corporation SMCC Sun Microsystems Computer Company SMD Storage Module Device SMDF Subscriber Main Distributing Frame SMDI Simplified Message Desk Interface / Storage Module Disk Interconnect / Subscriber Message Desk Interface SMDL Standard Music Description Language SMDR Station Message Detailed(ing) Recording SMDS Switched Multimegabit Data Service / Switched Multi-Megabit Data Service / Switched Multi-Megabit Data Services SME Society of Manufacturing Engineers SMF Single Mode Fiber SMFA Systems Management Functional Area SMG Super Master Group SMI Structure of Management Information / System Management Interrupt SMIB System Management Information Base SMIME Secure Multimedia Internet Mail Extension / Secure Multipurpose Internet Mail Extensions SMIS Specific Management Information Service SMISE Specific Management Information Service Element SMK Shared Management Knowledge SMM System Management Mode SMO Serious Mode On / System Management Overview SMOff Serious Mode Off SMOP Simply a Matter Of Programming / Small Matter Of Programming SMP Service Message Blocks / Symetric MultiProcessing / Session Management Protocol / Standby Monitor Present / Symmetrical Multiprocessing SMPDU Service Message Protocol Data Unit / System Management Protocol Data Unit SMPTE Society of Motion Picture and Television Engineers SMRAM System Management Random Access Memory SMRP (AppleTalk) Simple Multicast Routing Protocol SMRT Signal Message Rate Timing SMS Self-Maintenance Services / Service Management System / Service Management Systems / Short Message Service / Station Management System / Storage Management Services / Storage Management Subsystem / Systems Management Server SMSA Standard Metropolitan Statistical Area SMSP Storage Management Services Protocol / Simple Mail Transfer Protocol / Simple Mail Transport Protocol SMU Strategic Marketing Unit SN Sequence Number SNA Systems Network Architecture SNACP SubNetwork Access Protocol (usually as SNAcP) SNADS Systems Network Architecture Distribution Services SNAFU - Situation Normal, All "fixed" Up or Fouled UP or Fu**ed Up SNAP Sub-Network Access Protocol SNARE SubNetwork Address Resolution Entity SNCP Single Node Control Point SNDCF SubNetwork Dependent Convergence Facility / SubNetwork Dependent Convergen SNDCP SubNetwork Dependent Convergence Protocol SNERT Snot-Nosed Egotistical Rude Teenager SNET Southern New England Telephone SNG Secured Network Gateway SNI Siemens Nixdorf Informationsysteme / Subscriber Network Interface SNICF SubNetwork Independent Convergence Facility SNICP SubNetwork Independent Convergence Protocol SNMP Simple Network Management Protocol SNP Sequence Number Protection SNPA SubNetwork Point of Attachment SNPC Software New Products Committee SNR Signal to Noise Radio SNRM Set Normal Response Mode SNS Satellite Navigation System SO Shift Out (ASCII) / Significant Other aka Spouse, boyfriend/girlfriend) / System Option SOA Safe Operating Area SOAC Service Order Analysis Control SOB Do you really need *me* to explain this one? Well, Son of a Female Dog SOC Service Oversight Center / Systems and Option Catalog SOCC Standard Optical Cable Code SOCCA Specification Of Coordinated and Cooperative Activities SODIMM Small Outline Dual Inline Memory Module SO-DIMM Small Outline Dual Inline Memory Module SOE Silly/Stupid Operator Error / Standard Operating Environment / Standards of Excellence SOF Save our Freeware SOGITS Senior Officials' Group for Information Technology Standardization SOGT Senior Officials' Group for Telecommunications SOH Section OverHead / Service Order History / Start Of Header / Start Of Heading (ASCII) SOHO Small Office, Home Office SO-J Small Outline J-lead SOL Sh*t Outta Luck / Sons Of Liberty. SOM Start Of Message SONAR Service Order Negotiation And Retrieval SONDS Small Office Network Data System SONET Snychronous Optical NETwork SOP Standard Operating Procedure / Sum Of the Pieces / Same old stuff SOS Save our Shareware SOSIG Social Science Information Gateway SOST Special Operator Service Treatment SOT Short Of Time / (SoT) The Sea of Tranquility SOTMG Short Of Time Must Go SP Security Protocol / Service Provider / Sharp Private / Signal Processor / Signaling Point / Stack Pointer SPA Software Publishers Association SPAG Standards Promotion and Application Group SPAM SPiced hAM. Hormel's canned meat. SPAN Space Physics Analysis Network SPARC Scalable Performance Architecture SPC Southern Pacific Communications / Stored Program Control SPCS Stored Program Control Systems SPCSS Stored Program Control Switching System SPD Software Product Description SPDA Supplier Data Program SPDL Standard Page Description Language SPDU Session Protocol Data Unit SPE Synchronous Payload Envelope SPEC Standard Performance Evaluation Corporation SPF Shortest Path First SPG Software Product Group SPH Sets Per Hour SPI Safeguarding Proprietary Information / Self-Paced Instruction / Serial Peripheral Interface / Subsequent Protocol Identifier SPID Service Profile Identification / Service Protocol Identifier SPKI Simple Public Key Infrastructure SPLaT Society for the Preservation of Lasting Anarchy and Terrorism SPM Session Protocol Machine / Sheets Per Minute / Software Performance Monitor SPMF Servo Play Mode Function SPN Signal Processor Network SPOOL Simultaneous Peripheral Operation OnLine SPP Sequenced Packet Protocol / Ship Plan / Standard Parallel Port SPS Self Preservation Society / Software Product Services / Standby Power Supply SPTS Single Program Transport Stream SPUC Serial Peripheral Unit Controller SPUC/DL Serial Peripheral Unit Controller / Data Link SPX Sequenced Packet eXchange SQD Signal Quality Detector SQE Signal Quality Error SQL Structural Query Language SQL/DS Structured Query Language / Data System SQL-DMO Structured Query Language - Distributed Management Objects SQM Software Quality Management SQUID Super-conducting Quantum Interference Device SR Source Routing SRA Selective Routing Arrangement SRAM Static Random Access Memory SRB Source Route Bridging SRC Source (code) / System Resource Center SRE Scully Rational Explanation / Standards for Robot Exclusion SREJ Selective Reject SRF Specifically Routed Frame SRG Shareware Reference Guide / Strategic Relations Group SRI Stanford Research Institute SRL Singing Return Loss SRT Source Routing Transparent SRTC Service Right-to-Copy SRTS Synchronous Residual Time Stamp SRUAPDU Status Report User Agent Protocol Data Unit SR-UAPDU Status Report User Agent Protocol Data Unit SS (U.S.) Secret Service / Server-to-Server / Session Service / Signaling System / Socket Services / Special Services / Stack Segment / Standard System SS/DD Single - Sided, Double Density SS6 Signaling System 6 SS7 Signaling System 7 SSA Serial Storage Architecture SSAN Social Security Account Number SSAP Session Service Access Point / Source Service Access Point SSAS Station Signaling and Announcement System/Subsystem SSB Single Side Band / Software Supply Business SSBAM Single-Side Band Amplitude Modulation SSBSC Single SideBand Suppressed Carrier SSC Special Services Carrier/Center SSCF Service Specific Coordination Function SSCOP Service Sepecified COnvergence Protocol / Service Specific Connection Oriented Protocol SSCP System/Subsystem Services Control Point / Service Specific Convergence Sublayer SSD Solid State Disk SSDD Same stuff different day SSDU Session Service Data Unit SSEL Session Selector SSFD Solid State Floppy Disk SSG Software Systems Group / Strategic Studies Group / Suburban Survival Guide SSI Small Scale Integration SSL Secure Sockets Layer (security protocol) / Standard Security Label SSM Single Segment Message SSN Social Security Number SSN Switched Service Network SSO Satellite Switching Office SSODB Secret Society Of Dark Birds SSP Service Switching Point / Switching Service Point / Sponsor Selective Pricing / System Status Panel SSPA Solid State Power Amplifier SSPC System Status Panel Controller SSPI Security Service Provider Interface SSPRU System Status Panel Relay Unit SSS Server Session Socket / Software Support Services / Strowger Switching System SST Single Sideband Transmitter SSTDMA Spacecraft Switched Time Division Multiple Access SSTTSS Space-Space-Time-Time-Space-Space Network ST Seagate Technology (as in ST506 and ST412 interfaces) / Segment Type / Start / Straight Tip STA Spanning Tree Algorithm STANO Surveillance Target Acquisition and Night Observation STAR Systems and Technology Applications Requirements STB Start of Text Block STC Serving Test Center / Switching and Testing Center / Switching Technical Center STD STandarD STD Subscriber Trunk Dialing STDA StreetTalk Directory Assistance STDM Statistical Time Division Multiplexing STE Section Terminating Equipment (SONET) / Signal Terminal Equipment / Spanning Tree Explorer STEP Software Test and Evaluation Panel STF Standard Transaction Format STFU Shut The Fu*k Up STG Strategic Technologies Group STI Single Tuned Interstage STI/ST-TMP Star Trek, first movie/The Motion Picture STII/ST-WOK Star Trek, second movie/'Wrath of Khan' STIII/ST-SFS Star Trek, third movie/'Search for Spock' STIV/ST-TVH Star Trek, fourth movie/'The Voyage Home' STM Scanning-Tunneling electron Microscope / Synchronous Transfer Mode STMF State Management Function STMI Synchronous Transport Module i (usually as STM-i) STM-I Synchronous Transport Module i (usually as STM-i) STN Super Twisted Nematic (material) STOC Symposium on the Theory Of Computing Storage Management Subsystem STP Shielded Twisted Pair / Shielded Twisted Pair / Signal Transfer Point / Signal Transfer Protocol STR Synchronous Transmit Receive STS Shared Tenant Service / Space-Time-Space Network / Synchronous Time Stamp / Synchronous Transport Signal STS3C Synchronous Transport System level 3 Concatenated (usually as STS-3c) STT Secure Transaction Technology ST-TNG Star Trek, The Next Generation ST-TOS Star Trek, The Original Series STV/ST-TFF Star Trek, fifth movie/'The Final Frontier' STVI/ST-TUC Star Trek, sixth movie/'The Undiscovered Country' STX Start of TeXt (ASCII) SU Service User SUA Stored Upstream Address SUABORT Session User Abort SUB Subaddressing SUBLIB SUBroutine LIBrary SUE Stupid User Error SUFF Suffix SUM Smart Uplink Module SUN Stanford University Networks SUNet Stanford University Network SUP What's up SUT System Under Test SUV Sport Utility Vehicle SVC (frame relay) Switched Virtual Channel / Switched Virtual Circuit SVCI Switched Virtual Circuit Identifier SVD Simultaneous Voice / Data SVGA Super Video Graphics Adapter SVGA Super Video Graphics Array SVID System V Interface Definition SVN Switched Virtual Network SVP Switched Virtual Path SVPN Secure Virtual Private Network SVS Switched Voice Service SW Shareware SWAG Scientific Wild A** Guess SWAK Sealed With A Kiss SWAN Satellite Wide Area Network / Secure Wide Area Network SWaT Special Warez Acquisition Team SWB SouthWestern Bell SWC Serving Wire Center SWG Special Working Group / Sub-Working Group / Standards Working Group SWIFT Society for Worldwide Interbank Financial Telecommunications SWIM Super Woz Integrated Machine SWL Screaming with Laughter SWM Semiconductor Worldwide Management SWMBO She Who Must Be Obeyed SWMC (DMTF) Support Management Working Committee SWO Standards Writing Organization SWOA Social Workers On Acid (usually as SWoA) SWS SoftWare Services SX Simplex (signaling) SXS Step-by-Step / SxS Strowger Switch SYC SYstem Control / Synchronize (flag) / SYNchronous / idle (ASCII) SYL See you later SYS See You Soon / System SYSCON System Configuration SYSEX SYStem EXclusive (message) SYSGEN SYStem GENeration SYSOP SYStem OPerator, aka God Sysop Systems Operator; person who manages a Forum T Tera / Terabyte / Tip T&C Time and Charge T1/OS T1 Carrier Outstate T1FE T1 Carrier Front End TA Thanks Again / Terminal Adapter / Transfer Allowed / Transferred Account TAAS Trunk Answer from Any Station TAC Technical Assistance Center / Telnet Access Card / Terminal Access Circuit / Terminal Access Controller TAD Telephone Answering Device TADP Tests and Analyses of Data Protocols TAE Transportable Applications Environment TAFN That's All For Now TAFT That's a frightening thought TAG Tchnical Advisory Group TALiSMAN Teaching and Learning in Scottish Metropolitan Area Networks TAM Telephone Aswering Machine TAMU Texas A&M University TAN Technical Assistance Center / Telecomm and Networks TANJ There Ain't No Justice TANSTAAFL There Ain't No Such Thing As A Free Lunch TAP Technical Assistance Program/Party / Test Access Port / Telephone Assistance Plan / Trans-Atlantic Project TAPI Telephony Application(s) Program(ming) Interface TAPIn Training and Awareness Programme in Networks TAR Tape Archive TARFU things are really fouled up TARR Test Action Request Receiver TAS Telephone Answering Service / The Apostle Syndicate TASC Technical Assistance Service Center / Technology Applications Sub Committee / Telecommunications Alarm Surveillance and Control System TASD The Association of Social Disorder TASI Time Assignment Speech Interpolation TAT Theoretical Arrival Time / Trans-Atlantic Telephone TAU Technical Advisory Unit (for UKERNA) / Telematic Access Unit TAVL Threaded Adelson - Velskii - Landis (programming method) TAXI Transparent Asynchronous Transmitter/Receiver Interface TB Terabit (usually as Tb) / TeraByte / Transparent Bridging / Treasury Board TBBS The Bread Board System TBC Time-Based Corrector / Token Bus Controller TBD To Be Determined TBG Telecomm Business Group TBITS Treasury Board Information Technology Standard TBPS Terabits Per Second (usually as Tbps) / TeraBytes Per Second (usually as TBps) TBR Technical Basis for Regulation TBS Treasury Board Secretariat TBT Technology Based Training TBU Terminals Business Unit TC Technical Committee / Terminal Controller / Test Conductor / Timing Center / Timing Counter / Toll Center / Toll Charge / Transaction Capabilities / Transfer Cost / Transmission Convergence (sublayer) / Transport Connection TCAM Telecommunications Access Method TCAP Telecommunications Alarm Surveillance / Transaction Capabilities Application Part / Transaction Capabilities Applications Port TCAS T-Carrier Administration System TCB Taking Care of Business / Trouble Came Back / Transmission Control Block / Trusted Computing Base / Technical Consulting Center TCC Trunk Class Code TCCC Technical Committee for Computer Communications TCE The Cutting Edge TCFW Too cute for words TCG Teleport Communications Group / Test Call Generation TCH The Crowbar Hotel TCI The Criminaly insane / Tele-Communications Inc. / Test Cell Input TCIF Telecommunications Industry Forum TCL TAE Command Language / Tool Command Language (usually as Tcl) TCM Test Compression Multiplexer / Time Compression Multiplexor(ing) / Trellis Coded Modulation TCN Telecommunications Networks TCNS Thomas - Conrad Network System TCO Test Cell Output TCOY Take Care Of Yourself TCP Transmission Control Protocol / Tape Carrier Package / Test Coordination Procedure TCP/IP Transmission Control Protocol/Internet Protocol TCPA Telephone Consumers Protection Act TCQAM Trellis Coded Quadrature Amplitude Modulation TCR Transient Call Record TCRTR Technical Committee Reference Technical Report TCR-TR Technical Committee Reference Technical Report TCS The Criminal Syndicate / The Criminal Syndicate (The Crime Syndicate)/ Trans-Caribbean System (sometimes as TCS-1) / Transmission Convergence Sublayer TCS-1 Trans-Caribbean System-1 TCSEC Trusted Computer System Evaluation Criteria TCU Transmission Control Unit TD Table Data / Transmit Data (signal) / Typed Data TDAS Traffic Data Administration System TDC Tape Data Controller / Terrestrial Data Circuit TDCC Transport Data Coordinating Committee TDD Telecommunications Device for the Deaf TDDI Twisted-pair Distributed Data Interface TDED Trade Data Elements Directory TDF Trunk Distribution Frame TDI Transit Delay Indication TDID Trade Data Interchange Directory TDJ Transfer Delay Jitter TDM Too Damn Many / Time Division Multiplexing / Time-Division Multiplexing TDMA Time Division Multiple Access TDMATBICPLY This Doesn't Mean A Thing But It Confuses People Like You TDMS Terminal Data Management System TDR Time Domain Reflectometer(y) TDS Transit Delay Selection TDSAI Transit Delay Selection And Indication TDT The Dream Team TE Terminal Equipment / Transverse Electric TED Technology, Entertainment, Design TEDIS Trade Electronic Data Interchange System TEHO Tail End Hop Off TEI Terminal End-point Identifier TELCO Telephone Company TELNET Telecommunications Network / Terminal Emulation Link Network TELOP TELeconference OPerator TELSAM Telephone Service Attitude Measurement TELSET Telephone Set TEM Transverse Electromagnetic TEMPEST Transient ElectroMagnetic Emanations STandard TEN Telephone Equipment Network TERC Technology Education Research Center TERENA Trans-European Research and Education Networking Association TERM Terminal TF Trap Flag TFA Transparent File Access TFBS The Fucking Boy Scouts TFLAP T-Carrier Fault Locating Applications Program TFM Tagged Font Metric (file) TFP TOPS Filing Protocol TFS Trunk Forecasting System TFT Thin Film Transistor TFTP Trivial File Transfer Protocol / Telnet File Transfer Protocol TG Task Group / Technical Guide TGA Targa (graphic file format) TGAL Think Globally, Act Locally TGB Trunk Group Busy TGC Terminal Group Controller TGID Trunk Group Identification Number TGIF Thank God Its Friday TGITM The Ghost In The Machine TGL Third Generation Language (3GL) TGN Trunk Group Number TGT Ticket - Granting Ticket TGW Trunk Group Warning TH Table Header / Transmission Header / Trouble History THANX Thanks THC The Hellfire Club THD Ten High Day THD Total Harmonic Distortion THENET Texas Higher Education Network (sometimes as THEnet) THG The Humble Guys THP The Hill People THT Token Holding Time THX Thanks THZ TeraHertz (usually as THz) TI Texas Instruments / Time In TIA Thanks in advance / Telecommunications Industry Association / Telematic Internetworking Application / Telephone Information Access / The Internet Adapter TIAS Telematic Internetworking Abstract Service TIATLG Truly, I Am The Living God TIC Tongue In Cheek / Token-ring Interface Coupler / TID Transaction IDentifier TID Traveling Ionospheric Disturbance TIDE Traffic Information Distributor and Editor TIDL Transaction Interface Definition Language TIFF Tagged Image File Format (graphic file format .tif) TIG Topology Information Group (ATM Forum) TIGA Texas Instruments Graphics Architecture TIGER The Internet Gateway and E-Mail Router (Previously known as PIMP) TII Technology Independent Interface TILII Tell It Like It Is TIMS Transmission Impairment Measuring Sets TIN Tracking Identification Number TINA Telecommunications Information Networking Architecture TINA-C Telecommunications Information Networking Architecture Consortium TINAC Telecommunications Information Networking Architecture Consortium TINALO This is Not a Legal Opinion TINAR This is Not a Recommendation TINWIS That is Not What I Said TIP Terminal IMP / Terminal Interface Package / Terminal Interface Processor TIRIS Texas Instruments Registration and Information System TIRKS Trunk Integrated Record Keeping System TIRPC Transport Independent Remote Procedure Call TIS Technical Information Systems TIU Telematic Internetworking Unit TIUA Teknekron Infoswitch Users Association TKK The Kiwi Killers TL Transport Layer TLA Three-Letter Acronym (such as this, see also ETLA and DETLA) TLAP TokenTalk Link Access Protocol TLA's Three Letter Acronyms (such as this) TLB TransLAN Bridge / Translation Look-aside Buffer TLD Top Level Domain TLF Trunk Line Frame TLFF Technical Level Feeders Forum TLG The Living God TLI Transport Library Interface / Transport Layer Interface TLM Trouble Locating Manual TLMA Telematic Agent TLMAU Telematic Access Unit TLN Trunk Line Network TLP Transmission Level Point TLSPP Transport Layer Sequenced Packet Protocol TLTP Teaching and Learning Technology Programme / Trunk Line and Test Panel TLTSN Teaching and Learning Technology Support Network TLV Type Length Value TLX Telex TLXAU Telex Access Unit TM Trust Me / Terminal Management / Transverse Magnetic TMC Telemarketing Communications / The Movie Channel / Traffice Management Control (center) / Traffic Management Center TMDF Trunk Main Distributing Frame TMF Test Management Function TMI too much info TMIY Take me, i'm yours TMMS Telephone Message Management System TMN Telecommunications Management Network / Time Management Networking TMP Test Management Protocol TMPDU Test Management Protocol Data Unit TMR Transient Memory Record TMRS Traffic Measurement and Recording System TMS Telecommunications Message Switcher / Telephone Management System / Time Multiplexed Switch / Transient Memory Record TMSCP Tape Mass Storage Control Protocol TMSWG Traffic Management Sub-Working Group TMU Transmission Message Unit TN Telephone Number / Transaction Number TNC Terminal Node Controller / The Networking Center / Threaded Navy Connector / Threaded Neill-Concelnan connector / Threaded Nut Connector TNDS Total Network Data System TNIC Transit Network Identification Code TNN Trunk Network Number TNO The New Order TNOP Total/Traffic Network Operation Plan TNOTVS There's Nothing on Television, so... TNPC Traffic Network Planning Center TNS Tolmes News Service / Transaction Network Service TNSTAAFL There's No Such Thing As A Free Lunch TNT Till Next Time TNTL Trying not to laugh TNV Telephone Network Voltage (circuit) TNX Thanks TNX Thanks TNX 1.0E6 Thanks a million TO Test Object TOAO The One and Only TOBG This oughta be good TOEM Technical Original Equipment Manufacturer TOF Top Of File / Top Of Form TOM Text Object Model TONIC The Online Netskills Interactive Course TOP Technical Office Protocol / Technology and Organizational Performance TOPS Tapes and Optical Products / Timesharing Operating System / Traffic Operator Position System TOS Technical and Office Systems / Terms Of Service TOY Thinking Of You TP Toll Point / Transaction Processing / Transport Protocol (class 0, 1, 2, 3, or 4) / Twisted Pair (wire) TP-4 Transport Protocol 4 TPA Third Party Application TPAD Terminal Packet Assembler / Disassembler TPC The Phoney Coders / Transaction Processing Performance Council / Trans-Pacific Cable / Two Phase Commit TPCC Third Party Call Control TPD Third Party Developer TPDDI Twisted Pair Distributed Data Interface TPDU Transport Protocol Data Unit TPE Twisted Pair Ethernet TPI Tracks Per Inch / Transport Protocol Interface TPL Traditional Product Line TPM TeleProfessional Magazine TPMP Total Performance Measurement Plan TPPD Twisted Pair - Physical-media Dependent TPPMD Twisted Pair Physical Media Dependent TPS This Program Sucks / Transactions Per Second (usually tps) TPS(S) This Program Sucks, (Severely) TPT Third Party Transfer TPTAE Third Party Transfer Application Entity TPTB The Powers That Be TQC Total Quality Control TQFP Thin Quad Flat Pack TQM Total Quality Management TR (modem) Terminal Ready TR Table Row TR Task (state segment) Register TR Technical Report TR Test Register TR Test Responder TR Transfer Register TRAC Technical Recommendation Application Committee TRAC Telecommunications Research and Action Center TRAC Transactional Records Access Clearinghouse TRDMC Tears Running Down My Cheeks TREAT Trouble Report Evaluation Analysis Tool TREAT Trouble Report Evaluation and Analysis Tool TRI The Remote Informer TRIB Transmission Rate In Bits TRIL Token Ring Interoperability Lab TRIN Trinity TRIP Transcontinental ISDN Project TRMTR Transmitter TRON The Real-time Operating system Nucleus (project) troo true TRP Technology Reinvestment Project TRPC Transaction Remote Procedure Call TRR Tip-Ring Reverse TRS Tandy Radio Shack / The RapeWare Syndicate TRSI The Red Sector Inc. TRSL Test Requirements Specification Language TRSZ The Red Salamander Zaruga (Hey, he offered me chocolate :-) .) TRT Token Rotation Timer TRWS The Rape Ware Syndicate TS Time Slot TS Time Stamp / Toxic Shock / Traffic Shaping / Transport Service / Transport Stream T's&C's Terms and Conditions TSA Target Service Agent / Technical Support Alliance TSAN The Sysop's Area Network / The Sysops Association Network / Tri-State Area (sysop's) Network / Tri-State Area Sysop's Network TSAP Transport Service Access Point TSAPI Telephony Server/Services Application Program Interface TSC Telecommunications Security Council TSCPF Time Switch and Call Processor Frame / Time Switch and Central Processor Frame TSDU Transport (layer) Service Data Unit TSE Terminal Switching Exchange TSEL Transport SELector TSF Tone Set File TSG Telecommunications Systems Group / Timing Signal Generator TSI Time Slot Interchange(r) TSJD Texas Size Jelly Donut - official food of Texas sysops TSN Terminal Switching Network / The Sierra Network (renamed ImagiNation) TSO Technical Services Organization / Terminating Service Office / Time Sharing Option TSO/E Time Sharing Option / Extensions TSOHF Total Sense of Humor Failure TSORT Transmission System Optimum Relief Tool TSP Technology Strategy and Planning / Test Supervisor / Traffic Service Position TSPI Telephony Service Provider Interface TSPS Traffic Service Position System TSQL Transact - Structured Query Language T-SQL Transact - Structured Query Language TSR Terminate and Stay Resident (Computer Program) / Telemarketing Sales Rule / The Syndicate Report TSS (ITU) Telecommunications Standardization Section / Task State Segment / Time Sharing System / Trunk Servicing System TSS&TP Test Suite Structure and Test Purposes TSSDU Typed data Session Service Data Unit TSST Time-Space-Space-Time Network TST Time-Space-Time Network TSU Time Sharing User TT Text Telephone / Trunk Type TTA Teacher Training Agency / Telecommunication Technology Association TTAP Trust Technology Assessment Program TTBOMK To the Best of My Knowledge TTC Telecommunications Technology Council / Terminating Toll Center TTCN Tree and Tabular Combined Notation TTCN.GR Tree and Tabular Combined Notation Graphical Representation TTCN.MP Tree and Tabular Combined Notation Machine Processable TTCNGR Tree and Tabular Combined Notation Graphical Representation TTCNMP Tree and Tabular Combined Notation Machine Processable TTD Target Transit Delay / Temporary Text Delay TTF True Type Font TTFN Ta Ta For Now [a sign off] TTI Terminal Transmission Identification / Transmitter Terminal Identification TTITMF This thing is too much fun TTL Time To Live / Transistor-to-Transistor Logic TTL4N That's The Lot For Now TTM Time to Market / To The Moderator TTML Tagged Text Markup Language TTN Tandem Tie-line Network TTP Trunk Test Panel TTRT Target Token Rotation Time TTS Text To Speech / Transaction Tracking System / Trunk Time Switch / Trunk-to-Trunk Transfer TTTN Tandem Tie Trunk Network TTUL Talk (or Type) To You Later TTX Teletex TTXAU Teletex Access Unit TTY TeleTYpe(writer) TTYC Teletypewriter Controller TTYL Talk To You Later TTYL(8R) talk to you later TTYRS Talk To You Real Soon TTYS Talk to you soon TUBA TCP and UDP with Bigger Addresses TUC Total User Cell (count) TUCC Triangle University Computing Center TUCD Total User Cell Difference TUFD The User File Died TUFF The Underground Fone Foundation TUG TeX User's Group TUGOS The United Guild Of Sysops TUIMG Telecom/Utilities Industry Marketing Group TUP Telephone User Part TUR Traffic Usage Recorder(ing) / Trunk Usage Recording / Trunk Utilization Report TUTLA Totally Useless Three Letter Acronym TV TeleVision TVC Trunk Verification by Customer TV-H TV Line TVM Thanks Very Much TVRO TeleVision - Receive Only TVS Trunk Verification by Station TV-V TV Frame TWA The Warez Alliance TWA Two-Way Alternate TWAIN Technology Without An Interesting Name TWAT The Winner ANSI Team (usually as TWaT) TWCB The Whacko Cracko Brothers TWICS Two Way Information Communication System TWIG Technical Wizard Interest Group TWIRP Two-Way Infra-Red Protocol? TWS Two Way Simultaneous TWTA Traveling Wave Tube Amplifier TWX Teletypewriter Exchange TWX Telex II TX Transmit (data) / Transmission TXS Telephone eXchange Strowger TYCLO Turn your CAPS LOCK off. (Quit shouting.) TYL Talk to You Later TYMNET Timeshare Inc. Network TYT Take Your Time TYVM thank you very much U& CRL Universities and Colleges Research Libraries U/L Universal / Local U/L Upload, send to the BBS UA Underground America / Universal Access / Unnumbered Acknowledgment / User Account / User Agent UAA United Anarchists of America UAE Unrecoverable application error (Bane of Windows' users!) / User Agent Entity UAL User Agent Layer UAM User Authentication Method UAOS User Alliance for Open Systems UAPDU User Agent Protocol Data Unit UART Universal Asynchronous Receiver-Transmitter UAS UnAvailable Second UASFE UnAvailable Second, Far End UASL User Agent SubLayer UAV Unmanned Air Vehicle UBCIM Universal Bibliographic Control / International MARC UBD User Brain Damage UBR Unspecified Bit Rate UC United Couriers UCAS Universities and Colleges Admissions Service UCC Uniform Code Council / Uniform Commercial Codes UCD Uniform Call Distribution UCE Unsolicited Commerical E-mail UCET Universities Council for the Education of Teachers UCF Underground Computing Foundation / Untouchable Cracking Force UCHG Universities and Colleges Hardware Group UCISA Universities and Colleges Information Systems Association (Formerly UCTG) UCL University College, London UCM Universal Cable Module UCMISG Universities and Colleges Management Information Services Group UCNG Universities and Colleges Networking Group UCoSDA Universities' and Colleges' Staff Development Agency UCR Under Color Removal UCS Uniform Communication Standard / Universal Component System UCSG Universities and Colleges Software Group, a sub group of UCISA, UCTG Universities and Colleges Training Group (Now UCISA) UCTLIG Universities and Colleges Teaching, Learning and Information Group UD Unit Data UDA User-Defined Applications UDC Universal Digital Channel / User Defined Command UDF Universal Disk Format / Universal Data Format / User Defined Functions UDLC Universal Data Link Control UDMA Ultra Direct Memory Access UDP User Datagram Protocol UDT User Defined Type UDVM Universal Data Voice Multiplexer UE User Element UFC Universities Funding Council UFD User Friendly Diagnostics UFS Unix File System UGC University Grants Committee UHF Ultra - High Frequency UHQ Ultra High Quality (image technology) UI Unit Interval / UNIX International / Unnumbered Information / Unnumbered Interrupt / User Interface UIC User Identification Code UID User Identification UIDE User Interface Design Environment UIF United Ignorance Front UIMS User Interface Management Systems UIS Universal Information Services UIST User Interface Software and Technology (symposium) UITP Universal Information Transport Plan UK United Kingdom UKERNA United Kingdom Educational and Research Network Association (formerly the JNT) UKOLN The United Kingdom Office for Library and Information Networking UKRA United Kingdom Registration Authority UL Upload, send to the BBS / Underwriters Laboratories / Unordered List / User Location ULA Upper Layer Architecture ULCC University of London Computing Centre ULCT Upper Layer Conformance Testing ULL Unix Linkable Library ULP Upper Layer Protocol / Upper Layer Process ULTRA Underground Legion of Terroristic Research Activists UMA Upper Memory Area UMB Upper Memory Block UMD User Manager for Domains UME UNI Management Entity UML Unified Modeling Language UMPDU User Message Protocol Data Unit UMSLG University Medical-School Librarians Group UN United Nations UNA Upstream Neighbors Address UNC Uniform Naming Convention / Universal Naming Convention UNHIOL University of New Hampshire InterOperability Lab UNI User-to-Network Interface / User-to-Network Interface (ATM specification) UNICODE Unique, Universal, and Uniform character enCoding UNISTAR UNIversal Single call Telecommunications Answering and Repair UNISTAR Universal Single-Call Telecommunications Answering & Repairing UNITE User Network Interface to Everything UNIVAC Universal Automatic Computer UNIX Uniplexed Information and Computer Systems UNJEDI United Nations Joint Electronic Data Interchange UNMA Unified Network Management Architecture UNN Urine Nation News unPC Politically incorrect UNTDI United Nations Trade Data Interchange UOF Unusual Order Form UP Uni-Processor UPC Universal Product Code / Update Protect Checking / Usage Parameter Control / Utility Port Conditioner UPH Units Per Hour UPI United Phreaker's Incorporated / United Press International UPN Universal Product Number UPS Uninterruptable Power Supply/System / United Parcel Service / United Pirate Syndicate UPT Universal Personal Telecommunications UPU Universal Postal Union URBAN Undaground Rap Blastin Asiatic Newsletter URG Urgent (flag) URI Uniform Resource Indicator URL Uniform Resource Locator URL Uniform Resource Locator / Universal Resource Locator URL Universal Resource Locator URN Underground Rip-Off Network URR Urgent reply requested URSI Union Radio Scientifique Internationale US Unit Separator (ASCII) / United States USA Undedicated Switch Access / United Software Association / United States Alliance (Amiga Group) / United States of America USA/FLT United Software Association/Fairlight USART Universal Synchronous Asynchronous Receiver / Transmitter USB Universal Serial Bus / Upper Side Band USC User Steering Committee USCIC U.S. Country Information Center USDA Uncle Sam's Demo Agency USDN United States Digital Network USENET USEr NETwork USFDC U.S. Financial Data Center USIBC U.S. Integrated Business Center USIPA United States Internet Providers Association USITA United States Independent Telephone Association USL Unix System Laboratories USM UnSharp Masking USMP U.S. Manufacturing Planning USNC United States National Committee USO Universal Service Order USOC Universal Service Ordering Code USP Universal Sampling Plan USPL U.S. Price List USPS United States Postal Service USR U.S. Robotics USRA Universities Space Research Association USRT Universal Synchronous Receiver Transmitter USSS United States Secret Service UST Unresolved Sexual Tension [X-Philes (fans)] USV User Services UT Upper Tester UTAM Unlicensed Transition And Management UTC Universal Time Coordinated (usually listed as Universal Coordinated Time) UTG United Traders of Germany UTMC United Technologies Microelectronics Center UTOPIA Universal Test and Operations PHY Interface for ATM UTP Unshielded Twisted-Pair UTTP Unshielded Telephone Twisted Pair UTX Universal Transaction eXchange UUCICO Unix to Unix Copy Incoming Copy Outgoing UUCP UNIX to UNIX copy [an archaic file transfer program] UUID Universal Unique IDentifier UUS User to User Signalling UUT Unit Under Test UVC Universal Voice Channel UXU Underground Experts United V Version / Volt V&V Verification and Validation V)=| Pacman Champion V.FC V.Fast Class V+TU Voice Plus Teleprinter Unit VA Virtual Address VAC Value-Added Carrier / Voltage Alternating Current / Volts - A/C Current VAD Value Added Dealer/Distributor VADD Value Added Disk Driver VADS Value Added Data Services VADSL Very-High-Rate Asymmetric Digital Subscriber Line VAL Value / Voice Application Language VAM Virtual Access Method VAN Value Added Network VAN Value-Added Network VAP Value-Added Process VAR Value-Added Reseller / Value-Added Retailer VARP VINES Address Resolution Protocol VAS Value Added Service VAST Variable Array Storage Technology VAX Virtual Access Extended/eXtension VAX/VMS Virtual Address Extension/Virtual Memory System VAXft VAX Fault Tolerant VAXFT Virtual Address Extension Fault Tolerant (usually VAXft) VB Variable Block / Visual Basic VBA Visual Basic for Applications VBE VESA BIOS Extension VBE/AI VESA BIOS Extension/Audio Interface VBI Vertical Blanking Interface VBI Vertical Blanking Interval VBN Vermittelandes BreitbandNetz VBNS Very-high-speed Backbone Network Service / Very-high Bandwidth Network Service VBPJ Visual Basic Programmer's Journal VBR Variable Bit Rate VBS Visual Basic Script VC Virtual Call / Virtual Channel / Virtual Circuit / Virtual Container / Virtual Community VCC Virtual Channel Connection VCCI Voluntary Control Council for Interference VCD Virtual Communications Driver VCI Virtual Channel Identifier / Virtual Circuit Identifier VCL Virtual Channel Link / Visual Component Library VCOS Visual Caching Operating System VCP Video Cassette Player VCPI Virtual Control Program Interface VCR Victims of Credit Reporting (victims advocacy group) / Video Cassette Recorder VCS Virtual Circuit Switch / Virtual Circuit System VCXO Voltage - Controlled Crystal Oscillator VD Video Dox VDA Visual Data Analysis VDC Volts(age) Direct Current VDD Version Description Document / Virtual Device Driver VDDM Virtual Device Driver Manager VDE Video Display Editor / Visual Development Environment / Verband Deutscher Elektrotechniker VDI Virtual Device Interface VDISK Virtual DISK VDM Virtual DOS Machine VDMAD Virtual Direct Memory Access Device VDS Virtual DMA Services VDSL Very-high-bit-rate Digital Subscriber Line / Very-high-data-rate Digital Subscriber Line VDT Video Dial Tone / Video Display Terminal / Visual Display Terminal / Volume Definition Table VDU Video Display Unit / Visual Display Unit VEGA Video-7 Enhanced Graphics Adapter VEMM Virtual Expanded Memory Manager VEMMI VErsatile MultiMedia Interface VER Version VERONICA Very Easy Rodent-Oriented Netwide Index to Computerized Archives VERR VERify Read access VERTIS Vehicle, Road, and Traffic Intelligence Society (of Japan) VERW VERify Write access VESA Video Electronics/Equipment Standards Association VETLA Very Enhanced TLA VEX Video Extensions for X-windows VF Virtual Floppy / Voice Frequency VFAT Virtual File Allocation Table VFC Vector Function Chainer / Video Feature Connector / Version.First Class / Video Feature Connector VFD Vacuum Fluorescent Display VFP Vertical Forms Printing VFRP VINES Fragmentation Protocol VFS VINES File System / Virtual File Store / Virtual File System VFT Voice Frequency Telegraph VFU Vertical Forms Unit VFW Video For Windows VFY Verify VG Voice Grade VGA Video Graphics Adapter / Video Graphics Array VGB Voice Grade Budget VGC Video Graphics Controller VGF Voice Grade Facility VHDL VHSIC Hardware Description Language VHF Very High Frequency VHS Very High Speed / Virtual Host Storage VHSIC Very High Speed Integrated Circuit VI Visual Interactive VIA Vax Information Architecture / Virtual Interface Architecture VICAR Video Image Communication And Retrieval VICI Vendor Independent Component Imaging VICP VINES Internet Control Protocol VICS Voluntary Interindustry Communications Standards (committee) VIDS VICAR/Video Interactive Display Subsystem VIE Virtual Information Environment VIF VIrtual Interface / Virtual Interrupt Flag VIM Vendor Independent Mail/Messaging / Video Interface Module VIN Vehicle Identification Number VINCE Vendor Independent Network Control Entity VINES VIrtual NEtwork Software / Virtual Networking System VIO Video Input/Output / Virtual Input/Output VIP Versatile Interface Processor / VINES (Virtual Networking System) Internet Protocol / Visual Information Processing / VIsual Programmer / Variable Information Processing / Video Information Provider / Virtual Interrupt Pending VIPC VINES InterProcess Protocol VIPER Verifiable Integrated Processor for Enhanced Reliability VIPR Visual Imperative PRogramming (language) VIPS Video Image Printer Systems VIS Video Information System / Visual Instruction Set / Voice Information System VISC Video Instruction Set Computing VITAL Virtually Integrated Technical Architecture Lifecycle VIU Voiceband Interface Unit VIUF VHDL International Users Forum VJHEADER Van Jacobsen Header VL VESA Local (bus) / Virtual Link VLA Volume Licensing Agreement VLAN Virtual Local Area Network VLB VESA Local Bus VLBUS Vesa Local-Bus VLD Variable-Length Decoder VLDB Very Large DataBase VLF Very Low Frequency VLIC Very Large Integrated Circuit VLIW Very Large Instruction Word VLM Very Large Memory (architecture) / Virtual Loadable Module VLSI Very Large Scale Integrated circuitry / Very Large Scale Integration VLSIPS Very Large Scale Immobilized Polymer Synthesis VLT Variable List Table VM Virtual (8086) Mode / Virtual Machine / Virtual Memory / Voice Messaging VM/CMS Virtual Machine Conversation Monitor System VM/SP Virtual Machine / System Product VM/SP Virtual Machine/System product VMA Virtual Memory Address VMB Voice Mail Box VMB Voice Mail Box / Virtual Machine Boot VMC VESA Media Channel VMCF Virtual Machine Communications Facility VMCMS Virtual Machine Conversation Monitor System VMD Virtual Manufacturing Device VME Versa Module Eurocard / Virtual Memory Environment / Virtual Mode Extensions (OS/2) VME Versa Module Europa (IEEE 1014) VMI Vertical Motion Index VMM Virtual Machine Manager / Virtual Memory Manager VMOS Vertical Metal Oxide Semiconductor VMP Virtual Modem Protocol VMR Volt-Meter Reverse VMRS Voice Message Relay System VMS Virtual Memory (Operation) System / Voice Message System / Voice Mail System / Voice Management System VMSP Virtual Machine System Product VMT Virtual Memory Technique VMTP Versatile Message Transaction Protocol VN Virtual Network VNA Virtual Networking Architecture VNET Virtual NETwork VNF Virtual Network Feature VNL Via Net Loss (plan) VNLF Via Net Loss Factor VNLP Via Net Loss Plan VOD Video On Demand VODAS Voice Over Data Access Station VOIP Voice over IP (usually as VoIP) VOL Volume VOLM Volume VOM Volt Ohm Meter VOP Velocity Of Propagation VOR Visions Of Reality VOS Virtual Operating System / Verbal Operating System / Voice Operating System VOTS VAX OSI Transport Service VOX Volume Element VP Virtual Path VPA VAX Performance Advisor VPC Virtual Path Connection VPCI Virtual Path Connection Identifier VPD Virtual Printer Device / Vital Product Data VPDN Virtual Private Data Network VPDS Virtual Private Data Service VPE Video Port Extensions / Virtual Programming Environment VPI Virginia Polytechnical Institute / Virtual Path Identifier VPL Virtual Path Link / Virtual Programming Language / Visual Programming Language VPLA Visual Programming Language for Animation VPM Video Port Manager VPN Virtual Page Number / Virtual Private Network VPP Peak-Point Voltage (usually Vpp) VPS Voice Processing System VPSC Vault, Process, Structure, Configuration VPT Virtual Path Terminator VPT Virtual Print Technology VQ Vector Quantication VR Virtual Reality / Voltage Regulated/Regulator/Regulation VRAM Video Random Access Memory VRC Vertical Redundancy Check VRDI Virtual Raster Display Interface VRE Voltage Regulation Extended VRM Voltage Regulator Module VRML Virtual Reality Markup Language / Virtual Reality Modeling Language VROOMM Virtual Real-time Object Oriented Memory Manager VRS Voice Response System VRT Voltage Regulation Technology VRTP VINES Routing Transport Protocol VRU Voice Response Unit VRUP VINES Routing Update Protocol VS Virtual Scheduling / Virtual Storage VS/VD Virtual Source / Virtual Destination VSAM Virtual Sequential Access Method / Virtual Storage Access Method VSAT Very Small Aperture Terminal VSB Vestigial SideBand (modulation) VSC VocalTec Software Compression VSE Virtual Storage Extended VSF Vertical Scanning Frequency / Voice Store and Forward VSI Virtual Socket Interface VSIO Virtual Serial Input Output VSLI Very Large Scale Integration VSM Virtual Shared Memory / Virtual Storage Management / Visual System Management VSN Volume Serial Number VSOS Virtual Storage Operating System VSPC Visual Storage Personal Computing VSPP VINES Sequenced Packet Protocol VSR Voice Storage and Retrieval VSS Voice Storage System VSSP Voice Switch Signaling Point VSVD Virtual Source / Virtual Destination VSWR Voltage Standing Wave Radio VSYNC Vertical Sync VT Vertical Tabulation (ASCII) / Video Terminal / Virtual Terminal / Virtual Tributary VTAM Virtual Telecommunications Access Method VTAME Virtual Telecommunications Access Method Entry VTC Volume Tape Catalog VTG Virtual Trunk Group VTI Virtual Terminal Interface VTNS Virtual Telecommunications Network Service VTOA Voice and Telephony Over ATM VTOC Volume Table of Contents VTP Virtual Terminal Protocol VTPP Variable Team Pricing Plan VTR Video Tape Recorder VTS Video Teleconferencing System VTX Videotex VU Volume Unit VUE Visual User Environment VUI Video User Interface VUIT Visual User Interface Tool VUP VAX Unit of Performance VUP Vax Unit of Processing VWB Visual WorkBench VxD Virtual Device Driver VXD Virtual eXtended Driver W Watt w/ with W3 World Wide Web W3A World Wide Web Applets W3C World Wide Web Consortium W4 What-Works-With-What W4WG Windows For WorkGroups WA Write Audit WAAS Wide Area Augmentation System WAB What, Another Bill WABI Windows Application Binary Interface WACK Wait for Acknowledgment WACS Western and Central States WAG wild ass guess WAIS Wide Area Information Server/Service/Search WAITS Wide Area Information Transfer Systems WAMKSAM Why are My Kitties (Kids) Staring at Me WAN Wide Area Network WAOSS Wide Angle Optoelectronic Stereo Scanner WAP Wireless Access Protocol / Wireless Application Protocol WARC World Administrative Radio Conference WARP Weather And Radar Processor systems WAS Wild A** Guess / Web Application Server / Windows Application Server WASP Warriors Against Software Protection WATS Website Activity Tracking Statistics / Wide Area Telecommunications Service / Wide Area Telephone Service WAV Wave (waveform) data file (music) WAVES Waveform And Vector Exchange Specification WAYW What are you wearing? WB Welcome back WBC WideBand Channel WBEM Web-Based Enterprise Management WBEM Web-Based Enterprise Management (initiative) WBS Write Back Soon / Work Breakdown Structure WC WildCat! (BBS Software) / Wire Center / Word Count WCC World Congress on Computing WCPC Wire Center Planning Center WCS Wireless Communication Service(s) / World Coordinate System WCU Water Cooling Unit WD Working Document / Working Draft WDCS Wideband Digital Cross-Connect System WDF World Domination Force WDL Window Driver Library WDM Wave(length) Division MultiPlexing / Win32 Driver Model / Windows Driver Model WDRAM Windows Dynamic Random Access Memory WDT Watch Dog Timer WDYLL What do you look like? WDYMBT What do You Mean by That? WEBNFS WEB Network File System WEC Westinghouse Electric Corporation WELAC Western Europe Laboratory Accreditation Cooperation WELL Whole Earth 'Lectronic Link WEP Well-known Entry Point WEPN Worldwide Electronic Publishing Network WES Western Electronics Switching WESST Western Engineering Student Society Team WF WorkFlow WFM Works For Me WFMC Workflow Management Coalition (usually as WfMC) WFMTUG World Federation of MAP / TOP Users' Group WFP Well Formed Path WFQ Weighted Fair Queuing WFW Windows For Workgroups (sometimes as WfW) WG Working Group WGAS Who gives a sh*t? WGS Work Group System WH Watt-Hour WHAM Waveform Hold and Modify WHC Workstation Host Connection WIBAMU Well, I'll be a Monkey's Uncle WIBNI Would It Be Nice If WIC WAN Interface Card WIDE Widely Interconnected Distributed Environment WIDL Web Interface Definition Language WIL Windows Interface Language WIMP Washed-up Information Media Phobe / Window Icon Mouse Pointer (interface) WIN Windows / Wissenschaftsnetz (science network) WINDO Wide Information Network for Data Online WINDOWS Will Install Needless Data On Whole System / Won't Intentionally Nacker Drive Or Wipe Spreadsheets WINE WINdows Emulator WINFORUM Wireless Information Networks Forum WINGS Web Interactive Network of Government Services WINHEC WINdows Hardware Engineering Conference WINS Warehouse Information Network Standards / Windows Internet Name Service WINSOCK WINdows SOCKet WINTEL WINdows / InTEL WIP Work In Progress/Process / Workcenter Information Package WIPO World Intellectual Property Organization wirld world WISE WordPerfect Information System Environment WIT Web Interactive Talk WITT Workstation Interactive Test Tool WizOp Wizard Sysop; the primary Forum Administrator/Sysop WL Word Line / Wright-Patterson Laboratory WLIF Wireless LAN Interface Forum WM Work Manager WMC Workflow Management Coalition WMF Windows Metafile (usually as .WMF) / Workload Monitoring Function WMMOWS Wash My Mouth Out with Soap WNIC Wide area Network Interface Co-processor WNIM Wide area Network Interface Module WNOHGB Where No One Has Gone Before WOA Work Of Art WOB Waste of Bandwidth WOFTAM Waste Of Flaming Time And Money WOM Web Object Management WORM Write Once - Read Many WOS Workstation Operating System WOSA Windows Open Services Architecture / Windows Open Services Architecture WOTW Word of the week WOW Windows On Windows (layer) WP White Pages / Word Perfect / Word Processing / Write Protected / Working Party WPD Windows Printer Description (file) WPE World Pirate Echo WPG WordPerfect Graphics (format) (usually .WPG) WPHD Write-Protect Hard Disk WPM Words Per Minute WPM Words Per Minute (usually as wpm) WPOS WorkPlace Operating System WPS Windows Printing System / WorkPlace Shell / Word Processing Software WPVM Windows Parallel Virtual Machine WRAM Window Random Access Memory WRB Web Request Broker WRBD Web Request Broker Dispatcher WRK Windows Resource Kit WRQ Walker Richer + Quinn WRT With Regard To / With Respect To WRU Who Are You WS WorkStation WSAPI Web Site Application Program Interface WSAT WinSock Application Programming Interface Test WSF WorkStation Function WT Without Thinking / Write Through WTB Wireless Telecommunications Bureau WTF What The F**k / Who the Fu** ! WTFDIK What the Fu#? Do I Know WTFIGO What The Fu** Is Going On? WTFRU? Who the F#~$ are you? WTG Way To Go WTG! Way to Go! WTGP Want to go private? WTH What/Who The Heck / What/Who the Hell WTLOB watch "The Life of Brian" WTM White Trash Magazine WTO World Trade Organization WTOR Write To Operator with Reply WTTM Without Thinking Too Much WUI Western Union International wuz was WVIEW World View (Magazine) WVIEW World View Magazine WW Weenie Warriors WW World - Wide / Worldwide WWAN Wireless Wide Area Network WWIS World Wide Information System WWMCCS WorldWide Military Command and Control System WWW World Wide Wait / World Wide Web WWWW World Wide Web Worm WYGIWYPF What You Get Is What You Pay For WYLABOCTGWTR Would You Like a Bowl of Cream to go with That Remark? WYLASOMWTC Would You Like a Saucer of Milk with that Comment? WYMM Will You Marry Me? wymyn women WYPIWYG What You Printed Is What You've Got WYSBYGI What You See Before You Get It WYSIAWYG What You See is Almost What You Get WYSIAYG What You See Is All You Get WYSINWNWYG What You See Is No Where Near What You Get WYSINWYG What You See Is NOT What You Get WYSIWYG What You See Is What You Get WYTYSYDG What You Thought You Saw, You Didn't Get WYWO While You Were Out X Cross / eXchange / eXpanded / eXtended / eXtension / Transfer X-) Cross Eyed X-) Unconscious X2B heXadecimal to Binary X2C heXadecimal to Character X2D heXadecimal to Decimal XA eXtended Architecturee / eXtended Attribute XALS eXtended Application Layer Structure XAPIA X.400 Application Program Interface Association XB X-Bar (Crossbar) XBAR X-Bar (CrossBAR) XBM X Bit Map XBT CrossBar Tandem / X - Bar Tandem XCHG eXCHanGe XCMD eXternal CoMmanD XCOPY eXtended COPY XCOST Transfer Cost XDF eXtended Density Format XDR eXtended Data Representation / eXternal Data Representation XDS X/Open Directory Service XFCN eXternal Function XFE X-Bar Front End XFMC Cross Functional Management Committee XFN X/Open Federated Naming (specification) XGA eXtended Graphics Adapter/Array XID eXchange IDentifier XIF Xerox Image File XIOS eXtended Input/Output System XIP eXecution In Place XMH X Mail Handler xmit Transmit XML eXtensible Markup Language XMM eXtended Memory Manager XMP X/Open Management Protocol XMS eXpanded Memory Service / eXtended Memory Specification / Extended Multiprocessor (operating) System XNA Xerox Network Architecture XNS Xerox Network Services/System XO eXactly Once XOFF Transmitter Off XOM X/Open OSI abstract data Manipulation XON Transmitter On XOR eXclusive OR XP Experience (Common MUD term) XPD Cross Polarization Discrimination XPG X.400 Promotion Group / X/Open Portability Guide XPRM Xerox Print Resources Manager XPSDU eXpedited Presentation Service Data Unit XQL Xtructured Query Language XRT eXtensions for Real-Time XSMD eXtended Storage Module Drive XSSDU eXpedited Session Service Data Unit XSSI eXtended Server Side Includes XSV Transfer Cost System Value XT eXTended XTC Extended Test Controller / eXternal Transmit Clock XTCLK eXternal Transmit CLocK XTI X/Open Transport-layer Interface Xtian Christian XTLA Extended Three Letter Acronym XTP eXpress Transfer Protocol / eXpress Transport Protocol xxooxxoo Love (or hugs) & kisses Y2K Year 2000 YAA Yet another acronym YABA Yet Another Bloody Acronym YABSA Yet Another Bl**dy Stupid Acronym YAHOO Yet Another Hierarchical Officious Oracle YAISB Yet Another Information Supercliche Book YAM Yet Another Meeting / Yet Another Modem / Youngster's Against McAfee / Youths Against McAfee YAOTM Yet Another Off-Topic Message YBS You'll Be Sorry YCHT You can have them YG Young Gentleman YHBM You Have Bin Mail YHGASPL You Have Got A Serious Problem, Lad! YHM You have mail YIPL Youth International Party Line YKYHBxTLW You Know You Have Been x Too Long When (eg, YKYHBPDTLW - You Know You have Been Playing Doom Too Long When...) YL Young Lady YLNT You look nice tonight YM Young Man YMMV Your mileage may vary YMMV Your Mileage May Vary - meaning, this was my experience, yours might be different. YMMV Your Mileage May Vary. YMMVG Your mileage may vary greatly YMS Young Micro Systems YMU Y-Net Management Unit YOYOW You Own Your Own Words YP Yellow Pages YSN You suck, Nerd YSS You Suck Severely YSWUS Yea, Sure Whatever You Say! YTD Year To Date YTF YIG - Tuned Filter YWSYLS You win some, you lose some ZAI Zero Administrative Initiative ZAW Zero Administration for Windows ZBR Zone-Bit Recording ZCAV Zoned Constant Angular Velocity ZD Ziff-Davis ZDL Zero Delay Lockout ZDS Zenith Data Systems ZF Zero Flag ZIF Zero Insertion Force (socket) ZIP Zig-Zag In-Line Package / Zig-zag In-line Package / Zone Improvement Plan / Zone Information Protocol ZIS Zone Information Socket ZIT Zone Information Table ZMA Zone Multicast Access ZPV Zoomed Port Video ZSL Zero Slot LAN