idd = inderdaad
iig = in ieder geval
w8 = wacht
Ga zo maar door das gewoon internet taal :D
dat gebruikt iedereen op msn ook hoor :D
rtfm = read the fucking manual
lol = laughing out loud
ROFL = Roling On the Floor Laughing
d8 = dacht
ppl = people
en ga zo maar door
Ja, is inderdaad gewoon standaard internet/SMS taal voor alle lui mensen die niet veel willen typen :)
Ik heb nog 5 a4tjes met inet taal :)
willen jullie ze allemaal hebben?

er ontbreken iig nog een paar belangrijke:

imho= in my humble opinion
imfho= (spreek voor zich natuurlijk:))
ff= (even)
bbl= be back later
brb= be right back
rotfllh is rolling over the floor laughing like hell..... dies iets leuker.....
nie = niet
lama laat maar
maja maar ja

tsja allus afkorten maar ik moet zeggen dat ik cker heel erg irritante afkorting vind!!
@ - At
10Q - Thank You (mainly used in IRC)
10X - Thanks (mainly used in IRC)
2 - Too / Two / To (mainly used in IRC. Example: me2=me too)
4 - For / Four (mainly used in IRC. Example: 4u=for you)
8 - Ate (mainly used in IRC. Example: l8r=Later)
A/S/L - Age/Sex/Language / Age/Sex/Location
A/UX - (A version of UNIX based on V system and UNIX 2 that works on Mac II)
AAA - Access All Areas (a security group.
AAM - Ask A Minor (mainly used in IRC)
AB - Abbreviate (a VI command)
AC - Alternating Current / Analogical Computer
ACCT - Account
ACD - Automatic Call Distributor
ACE - Adaptive Communication Environment
ACID - Atomicity, Consistency, Isolation and Durability
ACID / AciD - Ansi Creators in Demand (a hacking group)
ACK - Acknowledged
ACL - Access Control List (a list containing info about which user can access which parts of, say, a hard drive)
ACM - Association for Computing Machinery
ACTLAB - Advanced Communication Technologies Laboratory
ADC - Analog-to-Digital Conversion / Advanced Disk Catalog (
ADFS - Advanced Disk FIling System (what new(ish))acorns and upgraded BBC's use to handle floppy disks)
ADMIN - Administrator
ADN - Any day now (mainly used in IRC)
ADO - ActiveX Data Objects
ADPCM - Adaptive Differential Pulse-Code Modulation
ADPCM - Adaptive Digital Pulse Code Modulation
ADSL - Asymmetric Digital Subscriber Line
ADSL - Asymmetric Digital Subscriber Line
AEP - Apple talk Echo Protocol
AES - Advanced Encryption Standard (128-BIT block cipher with key lengths of 128, 192, and 256 BITs)
AF - Audio Frequency
AFAIK - As Far As I Know (mainly used in IRC)
AFK - Away From Keyboard (mainly used in IRC)
AFS - Andrew File System
AGNPAC - Alberta Government Packet Switched Network
AGP - Accelerated Graphics Port
AGP - Advanced Graphics Port
AI - Artificial Intelligence
AIFF - Audio Interchange File Format
AIM - AOL Instant Messenger (a competitor to ICQ)
AIN - Advanced Intelligent Network
AIX - Advanced Interactive eXecutive (A version of UNIX)
AJ - Ask Jeeves (
AL - Artificial Life
ALGOL - ALGOrithmic Language
ALRU - Automatic Line Record Update
ALU - Arithmetic-Logic Unit
AMC - ATI Multimedia Channel
AMPS - Advanced Mobile Phone Service
AMV - Advanced Mail list Verify (
AN - Associated Number
ANI - Automatic Number Identification
ANSI - American National Standards Institute
ANSIR - Awareness of National Security Issues and Response
AO - Anti Online (
AOE - Age Of Empires (a strategy game by Microsoft's game development division.)
AOL - America OnLine
AOP - Auto OP (if you're an AOP of a channel it means you automatically receive OP whenever you enter than channel)
APA - All Points Ahead
API - Application Program Interface (an interface used to program applications. It is a part of an OS that gives applications an identical user interface)
APL - A Programming Language
APM - Advanced Power Management
APNIC - the European and Asia Pacific registries
APP - Application
APPC - Advanced Program to Program Comunication
APPROX - Approximately
APT - About Phreakin Time (a security-related magazine.
ARCNet - Attached Resource Computer Network
ARE - Acronym-rich environment (mainly used in IRC)
ArKey / AK - Argued Key
ARP - Address Resolution Protocol (gives addresses to workstations on a local network)
ARPA - Advanced Research Projects Agency (see ARPANet)
ARPANet - Advanced Research Projects Agency Network (Eventually mutated into today's Internet)
ARSB - Automated Repair Service Bureau
ART - Advanced Registry Tracer (
AS - Autonomous System / Address Strobe / Half an A-Level
ASA - Advanced SCSI Architecture
ASCII - American Standard Code for Information Interchange
ASCII -American Standard Code for Information Interchange (basically the character set your computer uses)
ASCSI - Advanced Small Computer Systems Interface
ASI - Asynchronous SCSI Interface
ASIC - Application Specific Intergrated Circuit
ASIN - Amazon Standard Item Number
ASIO - Australian Security Intelligence Organization
ASM / AS - Anti-Social Magazine (a well known hacking magazine)
ASP - Active Server Page
ASPI - Advanced SCSI Programming Interface
ATA - Advanced Technology Attachment
ATAPI - ATA Packet Interface
ATH - Abbreviated Trouble History
ATL - Active-X Template Library
ATM - Asynchronous Transfer Mode / At The Moment (mainly used in IRC)
ATP - Apple Talk transaction Protocol
ATRAC - Adaptive TRansform Acoustic Coding
ATTRIB - Attribute
AUI - Attachment Unit Interface
AUP - Acceptable User Policy
AURP - Apple talk Update-based Routing Protocol
AVI - Audio Visual Interface (an extremely lame computer video format, used mainly by Micro$oft... Surprise, surprise)
AVP - Aliens Vs. Predators (an online multiplaying game)
AW97PR - Advanced Word 97 Password Recovery (see
AWG - American Wire Gauge
AZ - Abstract Zero (a hacking group, now in the ownership of PE (Pirated Education))
b - BIT
B - Byte
B4 - Before (mainly used in IRC)
B4BO / B4B0 - Bah Boh (a cool hacking magazine.
B4N - Bye for now (mainly used in IRC)
BAK - Back at the keyboard (mainly used in IRC) / Backup (An extension often used under DOS to mark backup copies of files)
BASH - Bourne Again Shell (a Unix shell. Usually located at /bin/bash)
BASIC - Beginner's All Purpose Symbolic Instruction Code (a programming language) / Bill's Attempt to Seize Industry Control ;)
BAT - Batch (a batch file is a plain text file that consists of commands that will be sent to the command prompt whenever the file is executed)
BB - Big Brother
BBAS - Beige Box Advanced System
BBIAB - Be back in a bit (mainly used in IRC)
BBL - Be Back Later (mainly used in IRC)
BBNW - BB for NetWare
BBS - Bulletin Board System
BCAS / B-CAS / BKAS / B-KAS - Because (mainly used in IRC)
BDR - Bus Device Request
BEDO DRAM - Burst Extended Data Output DRAM
BEG - Big evil grin (mainly used in IRC)
BFD - Big fucking deal (mainly used in IRC)
BFN - Bye for now (mainly used in IRC) / Big Freakin' Number (mainly used in IRC)
BG - Big grin (mainly used in IRC)
BGP - Border Gateway Protocol
BIN - Binary
BIOS - Basic Input/Ouput System
BIOYIOP - Blow it out your I/O port (mainly used in IRC)
BIT - BInary digiT
BL - Belly laughing (mainly used in IRC)
BMP - BITmap (a basic image file)
BNC - Bouncer
BNET - Battle Net (Blizzard's multiplayer gaming arena. or
BO - Back Orifice
BO2K - Back Orifice 2,000 (another version of BO by cDc)
BOC - Bell Operating Company
BOD - BO Detect (one of the best BO detection programs.
BOE - BO Eliminator (one of the best BO detection programs. If you know the URL, please contact R a v e N at
BOF - Buffer Overflow
BOR - Basic Output Report
BOSS - Business Office Servicing System
BOTEC - Back-of-the-envelope calculation (mainly used in IRC)
BOW - Brotherhood Of Warez
BPI - Bytes Per Inch
BPP - Bytes Per Pixel
BPS - Bytes Per Second (the amount of bytes that are transferred per second on the current connection speed)
BPX - Break Point on eXecution
BRB - Be Right Back (mainly used in IRC and ICQ)
BS - Black Sun (see BSRF)
BSA - Business Software Alliance
BSC - Binary Synchronous Communication protocol
BSD - Berkeley Software Distribution
BSH - Bourne Shell (a Unix shell. Usually located at /bin/bsh or /bin/old/sh or /usr/bin/old/sh)
BSOD - Blue Screen Of Death
BSRF - Black Sun Research Facility (our website.
BTA - But then again... (mainly used in IRC)
BTW - By The way (mainly used in IRC and ICQ)
BW / B&W / B/W - Black and White (usually referred to monitors or pictures, meaning black and white monitors or black and white pictures)
BWC - Because We Can
BX - BitchX (an IRC client.
C - See (mainly used in IRC)
C&C - Command & Conquer (a series of strategy games by Westwood. Considered to be the best of it's kind)
C&C: RA / C&CRA / RA - Command & Conquer: Red Alert (a game in the C&C series. See C&C)
C&C: TS / C&CTS / TS - Command & Conquer: Tiberian Sun (a game in the C&C series. See C&C)
CA - Cable
CAB - Cabinet file (it's some type of a compression Micro$oft often use, not to confuse with InstallShield CAB files)
CAD - Computer-Aided Design
CAF - Crackers Against Fakes (a hacking group)
CALC - Calculator
CALEA - Communications Assistance for Law Enforcement Act
CAM - Common Access Method
CAM - Computer Aided Manufacturing
CAPS - Computer-Assisted Passenger Screening
CARPC - Connected Car PC
CATE - Computer Aided Test Engineering
CATS - Computer Assistance, Training and Services Inc
CBM - CAM-Brain-Machine
CC - C Compiler / Carbon Copy / Credit Card
CCC - Chaos Computer Camp (a hacking convention. Everything from hacking to lock picking)
CCD - Charge-Coupled Device
CCi / CCI - Cybercrime International (a hacking group)
CCS - Common Command Set
CD - Compact Disc / Change Directory
CDA - Computer Decency Act
CDC / cDc - Cult of the Dead Cow (a hacking group. Famous for their Unix/Windows to Windows remote administration trojan, BO)
CDE - Common Desktop Environment
CDEV - Control panel DEVice (Mac)
CDI - Compact Disk Interactive
CDR - Coreldraw DRawing /
CDROM - Consumer Device, Rendered Obsolete in Months ;)
CDRW - Compart Disk ReWriteable
CDW - Compact Disk Write (a CD burner)
CELP - Cache Enabled Low Profile
CELP - Code Excited Linear Prediction
CERT - Computer Emergency Response Team (a hackers website with exploits, archives and advisories)
CESA - Cyberspace Electronic Security Act
CFG - Configuration
CFS - Cryptographic File System
CGA - Color Graphics Adapter (Supports 4 colors)
CGI - Common Gateway Interface
CGM - Computer Graphics Metafile
CHAP - Challenge Handshake Authentication Protocol
CHECKSUM - Summation Check
CHMOD - Change Mode (a UNIX command.)
CHOWN - Change Owner (a UNIX command.)
CIR - Committed Information Rate
CIS - Compuserve Information Services
CISPPP - Compuserve Information Services Point to Point Protocol
CIV - Civilization (a series of computer strategy and development games by Sid Meier)
CIV:AC / CIVAC / AC - Civilization: Alpha Centaury (a part of the CIV series. See CIV)
CIV:CTP / CIVCTP / CTP - Civilization, Call To Power (the only game in the CIV series that really stinks)
CIVII - Civilization II (see CIV)
CJ - Cracker Jack (a Unix password cracker)
CMC - Construction Maintenance Center
CMEINEL - Carolyn Meinel (see
CMOS - Complementary Metal Oxide Semiconductor
CMP - Computer Maintance Port
CMYK - Cian Magenta Yellow blacK
CNID - Calling Number IDentification
CO - Central Office
COAS - Caldera Open Administration Tool
COBOL - Completely Obsolete Business Oriented Language ;)
COCOT - Customer Owned Coin Operated Telephone
COE - Central Office Equipment
COM - Component Object Model / Command (when referring to DOS filename extensions)
COMP - Computer
CON - Convention / Conference
CONF - Confidential / Configuration / Configure
CONFIG - Configuration
COPA - Child Online Protection Act
COSMOS - Computer System for Main Frame Operations
COTM - Code Of The Month
CP - Copy
CPC - Cost Per Click
CPH - Common Purpose Hackers (a hacking group.
CPM - Cost Per Media
CPP - C Plus Plus (a programming language)
CPU - Central Processing Unit
CR - Carriage Return
CRC - Cyclic Redundancy Check
CRSAB - Centralized Repair Service Answering Bureau
CRT - Cathode Ray Tube (a very common type of computer monitors)
CRYPTO - Cryptography
CS - CompuServe (see CSERVE)
CSERVE - CompuServe (an ISP with it's own little network, as well as Internet access. Kinda like AOL, only it doesn't suck that much)
CSH - C Shell (no, it doesn't have anything to do with sea shells. Just another Unix shell. Usually located at /bin/csh)
CSS - Cascading Style Sheet
CSU - Computer Surplus Outlet
CTCP - Client To Client Protocol (
CTCPEC - Canadian Trusted Computer Product Evaluation Criteria
CTR - Click Through Rate
CU - See you (mainly used in IRC)
CUD - Computer Underground Digest (a security-related e-zine (Electronic-Magazine))
CUDN - Common User Data Network
CUL - See you later (mainly used in IRC)
CUL8ER - See you later (mainly used in IRC)
CUR - Cursor
CWD - CyberWare Dispatch
CYA - Cover your ass / See ya (mainly used in IRC)
CYMK - Cyan Yellow Magenta blacK
CYO - See you online (mainly used in IRC)
D - Daemon (HTTPD = HTTP Daemon, FTPD = FTD Daemon, SMTPD = SMTP Daemon)
D/C - Disconnect
DA - Download Accelerator
DACL - Discretionary Access Control List
DAO - Data Access Objects
DARK-E / DARKE - Dark Eclipse Software (
DARPA - Defense Advanced Research Projects Agency
DAT - Data
DB - Database
DBA - Doing Business As (mainly used in IRC)
DBCS - Double Byte Character Set
DBMS - Database Management Systems
DC - Differentiating Current / Disconnect / Device Coordinates
DCB - Disk Coprocessor Board
DCC - Direct Cable Connection / Direct Card Calling / Direct Client Communication (used to transfer files in IRC)
DD - Double Density (a type of a floppy disk)
DDD - Direct Distance Dialing
DDE - Dynamic Data Exchange
DDL - Direct Devide Library
DDS - Direct Digital Sampling
DDX - Dialog Data Exchange
DEC - Do Expect Cuts ;) / Digital Equipment Corporations
DEEP / dEEP - Drinking Evil Elite Phreakers (
DEF - Default
DEFCON - DEFense CONdition / DEF CONvention (a hackers convention held each year on Las Vegas)
DER - Distinguished Encoding Rules
DES - Data Encryption Standard
DESC - Description
DFLA - Disenhanced four-letter acronym (that is, a TLA) (mainly used in IRC)
DFS - Disk filing System (what old acorns and BBC's used to handle floppy disks
DHCP - Dynamic Host Configuration Protocol
DHP - Data Haven Project (
DHTML - Dynamic HTML
DIB - Device Independent Bitmap
DIC - Dictionary
DIG - Domain Internet Groper
DIKU - Do I know you? (mainly used in IRC)
DISA - Defense Information System Agency
DISC - Disconnection / Disconnecting (mainly used in IRC)
DISTRO - Distribution
DITYID - Did I tell you I'm distressed? (mainly used in IRC)
DL / D/L - Download
DLL - Dynamic Link Library
DND - Do Not Disturb (mainly used in IRC and ICQ)
DNS - Domain Name Service
DOLM - Date Of Last Change
DoS - Denial of Service
DOS - Disk Operating System (all older OSs were loaded from the BIOS. Correct me if I'm wrong) / Defective Operating System ;)
DPI - Dots Per Inch
DPMS - Desktop Power Management System (the system that is in charge of all that has to do with powering your computer)
DPS - Dead Protocol Society (a hacking group)
DQMOT - Don't quote me on this (mainly used in IRC)
DRAM - Dynamic RAM
DRDRAM - Direct Rambus DRAM
DRV - Driver (a file that contains necessary information for an OS to use a certain devide on your computer)
DSL - Digital Subscriber Line
DSS - Decision Support System / Darkridge Security Solutions
DTMF - Dual Tone Multi Frequency
DUN - Dial Up Networking
DV - Digital Videotape
DVD - Digital Video Disc
DW - Disc World (a rather large series of books, two computer adventure-game and a TV show. Very funny! Go get the game)
DWII - Disc World II (the sequel to the computer adventure-game Disc World. See DW above)
E - Error
EA - Electronic Arts
EASI - Enhanced Asynchronous SCSI Interface
EAX - Environmental Audio Expansion
EBCDIC -Extended Binary Coded Decimal Interchange Code
ECC - Enter Cable Change / Elliptic Curve Cryptosystem
ED - Editor
EDO - Extended Data Out
EFF / EFFNet - Electronic Freedom Foundation Network (see
EFNet - Eris Free Network (the IRC server.)
EFR - Enhanced Full Rate
EFS - Encrypting File System
EG - Evil grin (mainly used in IRC)
EG Hackers / EG-Hackers / EGHACKERS - United Egyptian Hackers
EGA - Enhanced Graphics Adapter (a monitor which supports 16 colors)
EGD - Entropy Gathering Daemon
EGREP - Extended GREP
EIA/TIA-232 - Eletronic Industries Assoation/Telecommunication Industry Association Recommended Standered 232
EJM - Expert Judgement Model
ELF - Extremely Low Frequency
E-MAIL - Electronic Mail
EMFBI - Excuse me for butting in (mainly used in IRC)
EMI - Electro-Magnetic Interface
EMM - Expanded Memory Manager
EMP - Electro Magnetic Pulse
EMS - Extra Memory Specifications
EMU - Emulator
E-NUF / ENUF - Enough (mainly used in IRC)
EOA - End Of Article
EOC - End Of Commentary
EOD - End Of Diatribe
EOF - End Of File
EOM - End of message (mainly used in IRC)
EOT - End of thread/transmittion (meaning: end of discussion) (mainly used in discussion groups and IRC)
ERC - Encrypted Relay Chat
ERR - Error
ERRPT - Error Report
EST - Enigma's Setup Trojan
ETLA - Extended three-letter acronym (that is, an FLA) (mainly used in IRC)
EULA - End User License Agreement
EWS - Excite for Web Servers
EXE - Executable (an executable file is a program that you can run and not only view like text files and pictures)
EXT - Extension / External
E-ZINE - Electronic Magazine (a magazine that is publised on the net instead of on paper)
F2F - Face to face (mainly used in IRC)
FACCI - Florida Association of Computer Crime Investigators
FAQ - Frequently Asked Questions
FAQE - Fake or unture FAQ
FAT - File Allocation Table
FCP - [SCSI-3] Fibre Channel Protocol
FDD - Floppy Disk Drive
FDO - Form Display Operation
FIDT - Federal Intrusion Detection Network
FIFO - First In First Out
FIN - Finish
FingerD - Finger Daemon
FISH - First in, still here (mainly used in IRC)
FLA - Four-letter acronym (mainly used in IRC)
FMTYEWTK - Far more than you ever wanted to know (mainly used in IRC)
FOLDOC - Free On-line Dictionary of Computing
FOMCL - Falling off my chair laughing (mainly used in IRC)
FORTRAN - FORmula TRanslation lANguage (a programming language)
FOTW - Fringe Of The Web (a website that lists the "top" 100 H/P/V/C/A sites. Mostly script-kiddies sites though)
FP - FrontPage (a lame website degisner by Micro$oft)
FPS - Frames Per Second
FPSE - FrontPage Server Extensions
FQDN - Fully Qualified Domain Name
FREE - the Forum for Responsible and Ethical Email
FS - File System
FTP - File Transfer Protocol
FTPD - FTP Daemon
FUBAR / FOOBAR - Fucked up beyond all repair or recognition (mainly used in IRC)
FUD - Fear, Uncertainty, and Doubt (mainly used in IRC)
FWIW - For What It's Worth (mainly used in IRC)
FY - Fuck You (mainly used in IRC)
FYI - For your information (mainly used in IRC)
G / <G> - Grin (mainly used in IRC)
GA - Go ahead (mainly used in IRC)
GAL - Get a life (mainly used in IRC)
GB - GigaByte (1,000 MBs)
GCC - Gnu C Compiler
GD&R - Grinning, ducking, and running (mainly used in IRC)
GDI - Graphical Device Interface
GFN - Good For Nothing
GFX - Graphics
GGREP - GNU GREP (GNU's version of the popular Unix tool, GREP)
GH / gH - Global Hell
GIF - Grapics Interchange Format
GIMP - GNU Image Manipulation Program
GIS - Geographic Information Systems
GIWIST - Gee, I wish I'd said that (mainly used in IRC)
GL - Good Luck (mainly used in IRC)
GM - Game Master
GMTA - Great Minds Think Alike (mainly used in IRC)
GMV - Got My Vote (used a lot in online games such as Bezerk's Acrophobia. See
GNOME - GNU Network Object Model Environment (a Window Manager for Linux)
GNU - GNU is the largest open-source project.)
GOAT / GoA,T / GoAT - Go Away, Troll
GODMN - God Damn (mainly used in IRC)
GOL - Giggling out loud (mainly used in IRC)
GOV - Government (when referring to URL extensions)
GPF - General Protection Fault (kinda like a program crash)
GPL - General Public License (if a program is a GPL program, it means that everybody has the license to use and/or change the program, hence it is open-source)
GPP - [SCSI-3] Generic Packetized Protocol
GPS - Global Positioning System
GRAPHX - Graphics
GREP - Global Regular Expression Print
GRL - Girl (mainly used in IRC)
GRRL - Girl (mainly used in IRC)
GSD - Get Service Dacl
GTG - Got to go / Gotta go
GTMHH / GT(M)HH / G2MHH / G2(M)HH - Guides To (Mostly) Harmless Hacking
GTP / GTP? - Get The Picture? (mainly used in IRC)
GTRM - Going to read mail (mainly used in IRC)
GU - Glide Underground
GUI - Graphical User Interface (a GUI is like what Windows is to DOS or what X-Windows is to UNIX)
GUID - Global Unique ID
GW - Gateway
HAFTA - Have To (mainly used in IRC)
HAO / HaO - Hackers Associated Online
HARP - Hackers Against Racist Parties
HB - HyperBanner (kinda like LE. Has it's own advantages and disadvantages)
HBA - Host Bus Adapter
HC - Hackcity
HCL - Hardware Compatibility List
HD - HardDisk / HardDrive. Can also mean High Density, if refering to a floppy disk. Other XD terms include: DD - Double Density, SD - Single Density.
HDC - (a cool website for hackers. Has all sorts of interesting features and rare files
HDD - HardDisk Drive
HDSL - High BIT-rate Digital Subscriber Line (see DSL)
HELLUVA - Hell-Of-A... (mainly used in IRC)
HERF - High Energy Radio Frequency
HFC - HellFire Club (a hacking group)
HGL - Hewlett packard Graphics Language
HH - Happy Hacker
HINFO - Hardware/software INFOrmation
HIR - Hacker Information Report (yet another E-zine. Rather interesting, though.
HIU - Hack It Up (a hacking website/group.
HL - Half Life (the best first person shooter game in the world in R a v e N and F a n g's opinion)
HLS - Hue Lightness Saturation
HLT - Halt
HNC - (a hacking group. They also give away free webspace for hacking-related sites (but no porn/warez crap).
HNN - Hacker News Network
HOMER - Heuristic Overview of Matrix Expansion and Reconstruction
HOPE - Hackers On Planet Earth
HP - Hewlett Packard (American/English Manufacturer of good Computers/the best printers) / #Hackphreak (a lame undernet channel full of lame script kiddies)
HPFA - High Performance System (OS/2)
HPVCA / H/P/V/C/A - Hacking/Phreaking/Virii/Carding/Anarchy
Hr / HR - hour
HRZ - Horizontal
HSB - Hue Saturation Brightness
HSV - Hue Saturation Value
HTH - Happy To Help / Hope This/That helped (mainly used in IRC)
HTML - Hyper Text Markup Language
HTP - Hack The Planet (some hacking group.
HTTP - Hyper Text Transfer Protocol
HU - Hacker's Utility (a famous hacking utility)
HVD - High Voltage Differential
Hz / HZ - Hertz
IAC - In any case (mainly used in IRC)
IACR - International Association for Cryptographic Research
IAE - In Any Event
IAL - Internet Address List
IANAL - I Am Not A Lawyer (but) (mainly used in IRC)
IBM - International Business Machines (a famous computers company. There's no way you havn't heard of it) / I Blame Microsoft ;)
IBPAG2 - Icon-Based Parser Generation System 2
IC - In Character (used mainly in MUDs)
IC / I C - I see (mainly used in IRC)
ICANN - Internet Corporation for Assigned Names and Numbers
iCE / ICE - Insane Creators Enterprise (a lame hacking group)
ICMB - ICMP Bombing (a DoS attack)
ICMP - Internet Control Message Protocol (it is used to relay network conditions and different errors to IP (Internet Protocol) and other layers)
ICMPHU - ICMP Host Unreachable (a DoS attack)
ICO - Icon
ICP - Internet Caching Protocol
ICQ - I Seek You (not exactly an acronym, but...)
ICQPC - ICQ Password Cracker (a program by Progenic Warfare ( that cracks locally-stores ICQ passwords)
ICSD - Information and Computing Sciences Division
ID - Identification
IDC - Internet Database Connector
IDDN - International Digitan Defense Network
IDE - Integrated Drive Electronics (an interface for disk drives)
IDENT - Identity (not to be confused with the Ident daemon or the INetD program)
IDS - Intrusion Detection System
IE - Internet Explorer (Micro$oft's web browser. A good competitor for Netscape but has plenty more bugs in it than netscape)
IEEE - Institute of Electrical and Electronics Engineers
IETF - Internet Engineering Task Force (a bunch of guys who make up all sorts of Internet standards and suchlikes)
IFS - Input Field Seperator
IGMP - Internet Group Multicast Protocol
IHA - I hate acronyms (mainly used in IRC)
IHN - Internet Host Network (they give away free V3 domains, free web space and much much more.
IHU - ICQ Hacking Utilities (a famous and currently-offline website. I wouldn't call ICQ Utilities hacking, though)
IIRC - If I recall/remember/recollect correctly (mainly used in IRC)
IIS - Internet Information Server
IIX - Israeli Internet Exchange
IL / I-L - Iron Lungs (a member of HcV)
ILF - Independent Logical File
ILU or ILY - I love you (mainly used in IRC)
IM - Immediate message (mainly used in IRC)
IMAP - Interactive Mail Access Protocol (a protocol used for transferring Emails)
IMDB - Internet Movie DataBase (know the URL? Mail us at
IMHO - In my humble opinion (mainly used in IRC)
IMing - Chatting with someone online usually while doing other things such as playing trivia or other interactive game (mainly used in IRC)
IMNSHO - In my not so humble opinion (mainly used in IRC)
IMO - In My Opinion
IMP - Interface Message Processor (the Internet's (ARPANet at that time) first router)
iNC / INC - International Network of Crackers (a hacking group)
INDY - Indigo
INet - Internet
INetD - Internet Daemon (there's also a UNIX program called inetd that is in charge of taking care of all the daemons and everything related to such tasks)
INSI - International Network Security Inc. (a security-consulting company based in Japan)
INST - Install / Installation
INT - International (a URL extension. For example:
IO / I/O - Input/Output
IOL - Israel OnLine (yes, I am from Israel and I'm proud, dammit! lol.
IOW - In other words (mainly used in IRC)
IP - Internet Protocol
IPAC - IP Accounting
IPFM - IP Flow Meter
IPN - I'm posting naked (mainly used in IRC)
IPP - Internet Printer Protocol
IPPL - IP Protocol Logger (logs tons of incoming and outgoing traffic)
IRC - Internet Relay Chat
IRL - In real life (that is, when not chatting) (mainly used in IRC)
IRQ - Interrupt Request
IRS / IRSN - Initial Receive Sequence Number
ISN - Initial Sequence Number (usually 1. See TCP)
ISO - Organization for International Standards / International Standardization Organization
ISP - Internet Service Provider
ISS - Internet Security Systems (an Atlanta-based security-auditing firm) / Internet Security Scanner (a network scanner that searches for possible security holes)
ISS / ISSN - Initial Sent Sequence Number (another name for the ISN. That's how TCP calls it: tcp_iss)
ITAA - Information Technology Association of America
ITS - Intelligent Transportation System
IUCC - Israel Inter-University Computation Center
IYSWIM - If you see what I mean (mainly used in IRC)
JBOD - Just a bunch of disks (like RAID, etc.) (mainly used in IRC)
JDO - Jewish Defense Organization (
JIC - Just in case (mainly used in IRC)
JK / J/K - Just kidding (mainly used in IRC)
JOOTT - Just One Of Those Things
JP - John Vranesevich (the founder of
JPEG - Joint Photo Experts Group
JTF CND / JTF-CND / JTFCND - Joint Task Force for Computer Network Defense
JTR / JtR - John the Ripper (a Unix password cracker)
JV / JVIEW / JView - Java Viewer
JVM - Java Virtual Machine (a program that let's you run Java applications from a non-java OS)
K - OK / Thousand
KB - Kilobyte
KC - Kilo Cycle
KDE - Kewl Desktop Environment (a Window Manager for X11 (XWindows))
KHG - Kosovo Hackers Group
KIAM - Keldysh Institute of Applied Mathematics (The famous Russian Institute)
KISS - Keep It Simple Stupid
KLOG - Kernel Logger (see KLOGD)
KLOGD - Kernel Logger Daemon (a program that comes with every Unix distribution AFAIK and logs Kernel-related events)
KOD - Kiss Of Death
KOTM - Kook Of The Month
KPS / KBSP - KBs per second (the amount of KBs that are transferred per second on the current connection speed)
KSH - Korn Shell (a Unix shell. Usually located at /bin/ksh)
KVT - KDE Virtual Terminal
KWIM? - Know what I mean? (mainly used in IRC)
L8LY - Lately (mainly used in IRC)
L8R - Later (mainly used in IRC)
LAD - Login Anomaly Detection
LAN - Local Area Network
LART - Looser Attitude Readjustment Tool (baseball bats are popular)
LASG - Linux Administrators Security Guide (
LBA - Logical Block Address
LBNL - Lawrence Berkeley National Laboratory
LC - Logical Coordinates
LCD - Liquid Crystal Display
LD - Later, dude (mainly used in IRC) / Link Dead / Long Distance
LDAP - Lightweight Directory Access Protocol
LDR - Long-distance relationship (mainly used in IRC)
LE - Link Exchange (a banner-exchange network plus tons of cool services for webmasters.
LED - Light Emitting Diode
LEET / L33T - Elite
LF - Line Feed
LFN - Long File Name
LILO - LInux LOader
LIS10 - Listen (mainly used in IRC)
LKM / LLKM - Loadable Linux Kernel Modules
LL - Link Looker (a program that detects server splits on IRC)
LLTA - Lots and lots of thunderous applause (mainly used in IRC)
LMOS - Loop Maintenance Operations System
LN - Link
LNK - Link
LOD / LoD - Legion Of Doom (a hacking group)
LOGIN - Log In
LOL - Laughing Out Loud / Lots of Laughs / Lots Of Lag
LOTR / LotR - Lord of the Rings
LOU / LoU - Legions Of the Underground (a hacking group)
LP - Line Printer
LPH - Local Password Hacker (a program that hacks locally-saved passwords such as screen saver passwords, passwords for protected areas etc')
LPI - Lines Per Inch (kinda like DPI, only it's a different scale)
LRF - Little Rubber Feet (the little pads on the bottom of displays and other (mainly used in IRC)equipment)
LS - List (a Unix command which lists the contents of a directory but can do a lot more than that. For more info type man ls)
LSA - Local Security Authority
LSCP - LiteStep Control Panel
LSL - Linux System Labs
LTM - Laugh to myself (mainly used in IRC)
LUG - Linux User Group
LUN - Logical Unit Number
lUSt / LUST - Linux Users Strike Today (a hacking group)
LVD - Low Voltage Differential
M0D - Masters Of Downloading (a hacking group. They cracked several .gov websites, including
M8 - Mate (mainly used in IRC)
M8Y / M8EY - Matey (mainly used in IRC)
MAC - Media Access Control / Medium Access Control / Macintosh
MAN - Metropolitan Area Network / Manual
MAPS - Mail Abuse Prevention System
MB - MegaByte (1,024K) / Message Board
MBM - MotherBoard Monitor
MBR - Master Boot Record
MCB - Multi Collide Bot
MCGA - Multi Color Graphics Array (kinda like VGA)
MCP - Microsoft Certified Professional
MD - Message Digest
MDI - Multiple Document Interface
MEM - Memory
MEMS - Micro Electro Mechanical System
MFC - Microsoft Foundation Class (a bunch of basic files for Visual Basic/Visual C++ applications)
MFI / MOI - Missing From/On IRC (mainly used in IRC)
MGA - Masquerading Gateway Administrator
MHOA - Microsoft Haters Of America (
MICRO - Microsoft
MICROSOFT - Most Intelligent Costumers Realize Our Software Only Fools Teenagers
MID/MIDI - Musical Instrument Digital Interface
MIL - Military (a URL extension.)
MIME - Multipurpose Internet Mail Extensions (a protocol that is used to view Email)
Min - minute
MINUET - Minnesota Internet Users Essential Tool
MIPS - Meaningless Indication of Processor Speed ;)
MKS - Mortice Kern Systems
ML - Mailing List
MLIST - Mailing List
MLT - Mechanized Loop Testing
MMX - MultiMedia eXtensions
MNS - Multifunctional Network Scanner
MOD - Magneto Optical Disk / Moderator / Masters Of Downloading (a hacking group. They cracked several .gov websites, including
MoD - The British Ministry of Defence
MODEM - MOdulator/DEModulator
MON - Monitor
MorF - Male or female (mainly used in IRC)
MOSS - Member of the same sex (mainly used in IRC)
MOTD - Message Of The Day (mainly used in IRC)
MOTM - Message Of The Month (mainly used in IRC)
MOTOS - Member Of The Opposite Sex (mainly used in IRC)
MOV - Movie / a great computer video format by Apple
MP3 - MPEG 3-Layer
MPEG - Motion Picture Experts Group (a superb computer video format)
MPSRT - Microsoft Product Security Response Team
MRTG - Multi Router Traffic Grapher
MS - Microsoft (or more to say, Micro$oft)
MSDN - Microsoft Developer's Network
MSDOS / MS-DOS / MS DOS - Microsoft Disk Operating System (Microsoft's version of the DOS OS)
MSG - Message
MSIE - Microsoft Internet Explorer
MSN - Microsoft Network
MSP - Microsoft Paint
MSS - Maximum Segment Size (the value of your MTU minus 40)
MTD - Memory technology Driver
MTU - Maximum Transfer Unit (max size of packets)
MUD - Multi User Dimension (kinda like a D&D/AD&D game on the internet)
MUL - Multiply
MX - Mail eXchanger
N - And
N E 1 / NE1 - Anyone (mainly used in IRC)
NA - Network Associates
NA or N/A - Not Available
NAI - Network Associates
NAK - Negative Acknowledgment
NAP - Network Access Point
NASSCOM - National Association of Software and Service Companies
NAT - Network Address Translation
NB - Netbus
NBP - Name Binding Protocol
NC - Network Computer
NC - Norton Commander
NCIC - National Crime Information Center
NCP - Network Control Protocol
NCSA - National Center for Supercomputing Applications
NCSC - National Computer Security Center
NDIS - Network Driver Interface Specification
NDS - Novell Directory Services
NET - Network
NetBEUI - NetBIOS Extended User Interface
NetBIOS - Network Basic Input/Output System
NETHOOD - "Network Neighborhood"
NEXT - Near-End Crosstalk
NFC - No Further Comment / No Fucking Comment
NFR - Network Flight Recorder (kinda like a network activity logger)
NFS - Network File System (a system that is used for files over a network... LOL)
NFW - No feasible way / no fucking way (mainly used in IRC)
NFW - No Fuckin' Way (mainly used in IRC)
NGREP - Network GREP
NI2 - Net Indexer 2
NIC - Network Interface Card / Network Information Center
NIDS - Network Intrusion Detection System
NIPR - Non-classified Internet Protocol Router
NIPS - National Infrastructure Protection Center (kinda like CERT only they're still online and they aren't being so late with their advisories)
NIS - Network Information System
NIST - National Institute of Standards and Technology
NIT - Network Interface Tap
NM / N/M - Never Mind (mainly used in IRC)
NME - Enemy (mainly used in multiplayer games)
NMO - New Millenium Organization (a lame "hacking" group. Netbus...
NMRC - Nomad Mobile Research Center (a security group.
NNTP - Network News Transfer Protocol
NOC - Network Operations Center / No See (as in "Sup m8! Long tyme noC.")
noC / NoC - See NOC
NOP - No Operation
NOS - Network Operating System
NP / N/P - No Problem
NPA - Numbering Plan Area
NPS - Nevermind (mainly used in IRC)
NRG - Network Research Group
NRN - No Response/Reply Necessary (mainly used in IRC)
NS - Netscape / Name Server / Network Solutions
NSA - Name Service Architecture
NSI - Network Solutions (see NS)
NSS - Novell Storage Services / Network Security Scanner (a network scanner that searches for possible security holes.
NSW - Network Security Wizards (
NT - Network / Windows NT (Windows for networks)
NTA - The Nocturnal Trading Alliance (a hacking group)
NTDS - Naval Tactical Data System
NTFS - NT File System (NT=Windows NT)
NUMA - Non-Uniform Memory Access
NURMS - Non Uniformally Rational Mesh Smooth
NVLAP - National Voluntary Laboratory Accrediation Program
NVRAM - Nonvolatile RAM
O/S - Operating System
OCC - Occupied
OCR - Optical Character Recognition
OCX - OLE Custom Control
ODBC - Open Database Connectivity
ODI - Open Data-Link Interface
ODL - Object Description/Definition/Design Language
ODL - Open and Distance Learning
ODMA - Open Document Management API
OEM - Original Equipment Manufacturer
OF / O/F - Offline
OFCS - Oh, For Christ's Sake (mainly used in IRC)
OHG - Oh, Gotcha! (mainly used in IRC)
OHWELL - Oh Well (see OWELL)
OIC - Oh, I see (mainly used in IRC)
OL / O/L - Online
OLAP - Online Analytical Processing
OLC - OnLine Creation
OLE - Object Linking and Embedding
OLL - Online love (mainly used in IRC)
OLTP - Online Transaction Processing
OMG - Object Management Group / Oh My God (mainly used in IRC)
OO - Object-Oriented
OOB - Out Of Band
OOC - Out of Character (used mainly in MUDs)
OOP - Object Oriented Programming (too complicated to explain here. Go read a book)
OPAC - Online Public Access Catalog
OpenGL - Open Graphics Library
OPENSEC / OpenSEC - Open Security Solutions
ORB - Object Request Broker
ORBS - Open Relay B System
OS - Open Source / Operating System
OS/2 - Obsolete Soon, Too ;)
OSF - Open Software Foundation
OSG - Open Service Gateway Initiative
OSH - Operatr SHell
OSI - Open Systems Interconnection
OSP - Online Service Provider
OSPF - Open Shortest Path First
OTB - Only The Best
OTF - Off The Floor (mainly used in IRC)
OTOH - On The Other Hand (mainly used in IRC)
OTP - One-Time Pass
OTTOMH - Off the top of my head (mainly used in IRC)
OWELL - Oh Well (mainly used in IRC)
OWN / 0WN - "owned" or "hacked" (mainly used in IRC)
OWNED / 0WNED - "owned" or "hacked" (see 0WN)
PANS - Pretty awesome new stuff (as opposed to "POTS") (mainly used in IRC)
PANW - Parents Are Not Watching
PAP - Password Authentication Protocol
PARC - Palo-Alto Research Centre (a Computer research park owned by Xerox)
PASSWD - Password
PAW - Parents Are Watching (mainly used in IRC)
PBF - Policy-Based Filtering
PBM - Portable Bitmap / Play By Mail
PBX - Private Branch eXchange
PC - Personal Computer
PCDOS / PC-DOS / PC DOS (IBM's identical version for MS-DOS)
PCI - Peripheral Component Interconnect
PCKT - Packet
PCKTS - Packets
PCMCIA - Personal Computer Memory Card International Association
PDA - Public display of affection
PDC - Primary Domain Controller
PDL - Page Description Language
PDX - Paradox (a hacking group)
PE - Public Enemy (a hacking group) / Pirated Education (a hacking group)
PEBCAK - Problem exists between chair and keyboard (mainly used in IRC)
PECSENC - The President's Export Council Subcommittee on Encryption
PEGS - PErl Graphical Structures
PENTIUM - Produces Erroneous Numbers Through Incorrect Understanding of Mathematics ;)
PERL - Protocal Extraction and Report Lang / Practical Extraction and Report Language (an interpreted programming language)
PERM - Permission
PGF - Portable Graphics format
PGM - Portable Greymap
PGP - Pretty Good Privacy (an encryption method)
PHACV / P/H/A/C/V - Phreaking, Hacking, Anarchy, Cracking, Virii (see HPVCA)
PHF - Phreaking Hacking Force (
PHG - Pakistan Hacking Group
PIBKAC - Problem is between keyboard and chair (mainly used in IRC)
PICS - Parental Internet Content SelectionR
PID - Process ID
PIF - Program Information File
PIKT - Problem Informat / Killer Tool
PIN - Personal Identification Number
PINE - Pine is today's Email client of choice on text-based UNIX shells
PING - Packet INternet Groper
PIO / PI/O / P I/O - Programmed I/O
PIP - Picture Inside Picture
PITA - Pain in the ass (mainly used in IRC)
PL - Perl
PLZ - Please (mainly used in IRC)
PMFJIB - Pardon me for jumping in but... (mainly used in IRC)
PMT - Progenic Mail Trojan
PMTU - Path Maximum Transfer Unit
PNG - Portable Network Graphic
PNP - Plug aNd Play (this neat little feature that autodetects new hardware and hardly works. Well, at least on Windows...)
POC / PoC - Proof Of Concept (a security group.
POD - Portal Of Doom
POP - Post Office Protocol
POSIX - Portable Operating System Interface based on uniX (a collections of standards for UNIX OSs)
POST - Power On Self Test
POT - Plain Old Telephone / Ping Observation Tool
POTS - Plain old telephone service (mainly used in IRC)
PPL - People (mainly used in IRC)
PPM - Portable PixelMap
PPP - Point to Point Protocol
PPS - Packets Per Second
PPTP - Point-to-Point Tunneling Protocol
PREFS - Preferences
PROC - Process
PROG - Program
PROGMAN - Program Manager
PROLLY - Probably (mainly used in chatrooms)
PS - Post Script / Packet Storm (an excellent securtiy-related website.
PSH - Push (a TCP flag. More info at the entry TCP)
PSN - Packet Switching Network
PSS - Packet Storm Security (an excellent security-related website.
PSTN - Public Switched Telephone Network
PSY - Psychose (a hacking group)
PU - That stinks! (mainly used in IRC)
PUTER - Computer
PWD - Print Working Directory
PWL - Password List
PWS - Personal Web Server (a lame Windows webserver by Microsoft)
QBasic - Quick Basic (if BASIC is your language than QBASIC is your interpeter. Well, at least one of the interpeters available)
QHA - Quebec Hackers' Alliance (a hacking group.
QTX - Quartex (a hacking group)
R - Read / Repeat / Recursive
RAID - Redundant Array of Inexpensive Disks (a system that includes many HDs or other forms of data storage)
RAM - Random Access Memory
RAS - Remote Access Server
RASMAN - Remote Access Connection Manager
RAT - Remote Access Trojan
RAW - Remote Administration Window
RBL - Realtime Blackhole List
RBOC - Regional Bell Operating Company
RC - Reconfigure
RCS - Revision Control System
RCW - Receive Window
RDM - Relational Data Model
RECV - Receive
REG - Registry
REGEXP - Regular Expression (a powerful type of wildcard pattern. Used for pattern matching in programs such as the Unix program grep)
REM - Remember
RES - Resolution
REXD - Remote Execution Daemon
RFC - Remote Function Call / Request For Comment
RFC - Request For Comment (used mainly in usenet newsgroups)
RFTRFC - Read the fine/fucking RFC (mainly used in IRC)
RGB - Red Green Blue
RH - RedHat (a UNIX variant.
RIA - Rebels of the Information Age (
RIP - Routing Information Protocol
RISC - Reduced Instruction Set Computer (As in RISC OS, the OS run by Acorns)
RK - Root Kit
RL - Real life (that is, when not chatting) (mainly used in IRC)
RLOGIN - Remote Login
RM - Relational Model / Research Machine
RN / REN - Rename
ROF - Rate Of Fire
ROFL / ROTFL - Rolling On (The) Floor Laughing
ROFLMAO / ROTFLMAO - Rolling On (The) Floor Laughing My Ass Out
ROFLMAOWPIMP - ROFLMAO While Peeing In My Pants (mainly used in IRC)
ROFLMBO / ROTFMBO - Rolling On (The) Floor Laughing My Butt Out (mainly used in IRC)
ROFLMBOWPIMP / ROTFMBWPIMP - ROFLMBO While Peeing In My Pants (mainly used in IRC)
ROFLWPIMP / ROFTLWPIMP - ROFL While Peeing In My Pants (mainly used in IRC)
ROM - Read Only Memory
ROR - Raffing out roud (English for "laughing out loud") (mainly used in IRC)
ROT - Rate Of Turn
ROTFL - Rolling on the floor laughing (mainly used in IRC)
ROTFLMAO - Rolling on the floor laughing my ass off (mainly used in IRC)
ROTFLMAOWPIMP - Rolling On (The) Floor Laughing My Ass Out While Peeing In My Pants (mainly used in IRC)
RP - Responsible Person (the person who is responsible for a specific domain)
RPC - Remote Procedure Call
RPG - Role-playing Game
RPH / RPHH - Royal Phreakers HouseHold
RR - Resource Record
RRS - Remote Registry Sharing
RSB - Repair Service Bureau
RSH - Restricted bourne SHell
RSN - Real Soon Now (mainly used in IRC)
RST - Reset (see ACK) / Reliable Software Technologies
RT - Route
RTC - Remote Target Control / Real Time Clock
RTF - Rich Text Format
RTFF - Read the fine/f***ing f***
RTFM - Read the fine/fucking manual (mainly used in IRC)
RTMP - Routing Table Maintance Protocol
RTS - Real-Time Strategy
RTT - Round Trip Time
RWIN - Receive Window
RYO - Roll your own (write your own program; derived from cigarettes rolled yourself with tobacco and paper) (mainly used in IRC)
RZR - Razor (1911) (a hacking group)
S!P / SIP - Surpr!se Productions (a hacking group)
S/MIME - Secure / MIME (an encryption standard)
SAA - System Application Architecture
SAFTE - SCSI Accessed Fault-Tolerant Enclose
SAGE - SYstems Advisory Group Enterprises
SAINT - Security Administrator's Integrated Network Tool
SAM - SCSI-3 Architecture Model / Security Account Manager
SARA - the Security Auditor's Research Assistant
SATAN - Security Analysis Tool for Auditing Networks
SBC - SCSI Block Commands
SBP - SCSI-3 serial Bus Protocol
SCAM - SCSI Configured AutoMatically
SCC - SCSI Controller Commands
SCCS - Source Code Control System
SCIG - Secure Central internet Gateway
SCR - Screen Saver
SCSA - Sun Common SCSI Architecture
SCSI - Small Computer System Interface
SD - ShowDown (an IRC script) / Single Density (a floppy disk type)
SDI - Single Document Interface
SDMI - Secure Digital Music Initiative
SDMS - SCSI Device Management System
SDSL - Single-line Digital Subscriber Line
SDWB - Sega Dreamcast Web Browser (the web browser that comes with Sega Dreamcast)
SEC - second
SEG - S***-eating grin (mainly used in IRC)
SEQNUM - Sequence Number
SET - Saqueadores Edicion Tecnica (a Spanish computer security e-zine)
SF - Stellar Frontier
SFS - Secure File System
SGC - SCSI Graphic Commands
SGI - Silicon Graphics Incorporated / Silicon Graphics Interface
SH - Shell
SIG - Special Interest Group
SIIA - Software and Information Industries Association
SIMD - Single Instructions Multiple Data
SIMM - Single Inline Memory Module
SIN - Self Induced Negotiativity (a security group.
SIP - SCSI-3 Interlocked Protocol
SIP - Surf In Peace
SISAL - Streams and Iteration in a Single Assignment Language
SITD - Still In The Dark
SIU - Stupid Internet User
SLIP - Serial Line Interface Protocol
SLL - Screw Looser Layer (this website is... uh... different...
SM - Sado Maso (not computer-related, you say? Ever heard of cybersex IRC?!)
SMB - Server Message Blocks
SMC - SCSI-3 Medium changer Commands
SMDS - Switched Multimegabit Data Service
SMP - Symmetrical Multiprocessing
SMPS - Server Merchant Payment System
SMTP - Simple mail Transfer/Transport Protocol
SNAFU - Situation normal, all f***ed up (mainly used in IRC)
SNK - Secure Net Key
SO - Significant other (mainly used in IRC) / Source
SOI / SoI - Subversion of Information
SOL - Smilling out loud or sh*t out of luck (mainly used in IRC) / Scandinavia OnLine
SOME1 - Someone (mainly used in IRC)
SOMY - Sick of me yet? (mainly used in IRC)
SOP - Super OP
SPC - SCSI-3 Primary Commands
SPI - SCSI-3 Parallel Interface
SQL - Structure Query Language
SRC - Source
SRM - Security Reference Monitor
SS - Special Service / SubSeven (a remote administration tool)
SSC - SCSI Stream Commands
SSH - Secure Shell
SSI - Server Side Include
SSL - Secure Sockets Layer (a data transfer method. Used mainly to transfer credit card numbers and other valuable pieces of information)
STARCON - Star Control
STD - Standard
STDOUT - Standard Output
STFW - Search the f*****g Web (mainly used in IRC)
STOA - Scientific and Technical Options Assessment
STROBE - The Super Optimized TCP Port Surveyor
STW - Search the Web (mainly used in IRC)
SU - Super User (type su and then it'll ask you for superuser's (root) password. Type it in, and walla! You're root)
SUID - Set User ID
SUNEXP - Sun Expire
SVC - Switched Virtual Circuit
SVGA - Super VGA (an enhanced VGA monitor. Supports about 16.7 Million colors)
SVID - "System V" Interface Definitor
SWAG - Stupid wild-a** guess (mainly used in IRC)
SYMLINK - Symbolic Link
SYN - (See ACK)
SYNC - Synchronize
SYS - System
SYSADMIN - System Administrator
SYSLOG - System Logger (see SYSLOGD)
SYSLOGD - System Logger Daemon (a program that comes with every Unix distribution AFAIK and logs stuff)
TAFN - That's all for now (mainly used in IRC)
TANSTAAFL - There Ain't No Such Thing As A Free Lunch (mainly used in IRC)
TAPI - Telephone Application Program Interface
TAS - Telephone Answering Service
TASS - Template ASSembly language (Intermediate language produced by the Manchester SISAL compiler)
TB - TaraByte (1,000 GBs)
TBA - To Be Arranged / To Be Announced
TBF - Mean Time Between Failures
TBG - Trojan B Gone (a local trojan scanner by Dark Eclipse software. See
TBIL - Tiny Basic Interpreter Language
TBK - Tool Builder Kit
TBL - A language by M.E. Lesk for formatting tables
TBS - Turn-Based Strategy
TCAUCE - The Coalition Against Unsolicited Commercial Email
TCB - Trusted Computing Base
TCP - Transfer Control Protocol
TCP/IP - Transfer Control Protocol/Internet Protocol
TCSH / TSH - Turbo C Shell (an enhanced version of CSH. Usually located at /bin/tcsh or /usr/bin/tcsh)
TDD - Telecommunication Device for the Deaf
TDR - Time Domain Reflectometer
TDT - The Dream Team (a hacking group)
TERM - Terminal
TERMCAP - Terminal Capabilities (see TERMCAPFILE)
TFH - Thread from hell (a discussion that just won't die and is often irrelevant to the purpose of the forum or group) (mainly used in IRC)
TFS - Tough Fucking Shit
TGA - Truevision tarGA / Trusted Gateway Agent (see VVOS)
TGIF - Thank God it's Friday (mainly used in IRC)
TGOD / TG0D - The Guardians Of Data (a security group.
TGP - Trusted Gateway Proxy (see VVOS)
TH - Trouble History
THC - The Hacker's Choice
THF - THe Hacker's Fun
THG - The Humble Guys (a hacking group)
THOF - The Hand Of Fate
THP - The Hill People (a hacking group)
THTJ - The Havoc Technical Journal (an independent zine)
THX - Thanks (mainly used in IRC)
TIA - Tuniaisn Internet Agency / Thanks In Advance (used if you post a question and are expecting a helpful reply) (mainly used in IRC)
TIC - Tongue In Cheek
TIES - Time Independent Escape Sequence
TIF - Tagged Image File (format)
TIFF - Tag Image File Format
TIM - The Incredible Machine (an old computer game)
TISC - The Internet Security Conference
TLA - Three-letter acronym (mainly used in IRC)
TLK2UL8R - Talk to you later (mainly used in IRC)
TLS - Transport Layer Security
TMTOWTDI - There's More Than One Way To Do It (Perl's slogan. In case you're wondering, Perl is a programming language)
TMW - TeleMate for Windows (a modem terminal program for Windows)
TNO - The New Order (a hacking group)
TOF - Top Of File
TOP - Teflon Oil Patch (a program that binds two executable files together with many cool options)
TOS - Terms Of Service / Type Of Service
TPTB - The powers that be (mainly used in IRC)
TRACERT - Traceroute (a Unix command. For more information, type 'man tracert' (without the quotes))
TREAT - Trouble Report Evaluation and Analysis Tool
TRSI - Tristar Red Sector Inc. (a hacking group)
TSR - Terminate and Stay Resident
TTF - True Type Font
TTFN - Ta-Ta for now (mainly used in IRC)
TTL - Time To Live (the maximum times a data packet can bounce between a host to another host before it's deleted)
TTY - TeleTYpe
TTYL - Talk to you later (mainly used in IRC)
TU - Thank you (mainly used in IRC)
TUCOWS - The Ultimate Collection Of Winsock Software
TUT - Tutorial
TWAIN - Technology With / Without An Important / Interesting Name
TWINKLE - The Weizmann Institute Key Locating Engine
TXT - Text
TY - Thank You (mainly used in IRC)
U/L / UL - Upload
UAE - Unrecoverable Application Error (program crash)
UAPITA - You're a pain in the ass (mainly used in IRC)
UART - Universal Asynchronous Receiver/Transmitter
UBE - Unsolicited Bulk e-mail
UC / U C - You see, ... (mainly used in IRC)
UCE - Unsolicited Commercial e-mail
UCF - United Cracking Force (a cracking group)
UCITA - Uniform Computer Information Transaction Act
UDA - Universal Data Access
UDP - User Datagram Protocol (see IP)
UETF - Undernet Engineering Task Force
UHA / UHA1 - United Hackers Association (a hacking website. They have lots of newbies stuff but some good txts and a nice newsletter with many subscribers)
UHC - United Hackers Convention (UHC is a hackers convention which will be held in December 28th 1999 through January 1st 2000 in Las Vegas, Nevada.
UHS - Universal Hint System
UI - User Interface
UID - Unique ID / User ID (a number corresponding to an account. uid=0 is root most of the times)
UIN - Universal Identification Number (ICQ number)
ULG - United Lone Gunmen (a hacking group)
UNA / UNAB - Unabbreviate (see AB. To unabbreviate, type ':una blah' without the 's)
UPS - Uninterruptable Power Supply
UR - You Are / Your
URL - Universal Resource Locator (also known as internet address)
URSELF - Yourself
US / U/S - Understand
USB - Univeral Serial Bus
UTIL - Utility
UUCP - Unix to Unix Copy
UUDW - Union of United Death Workers (a hacking group)
UW - Ultra Wide [SCSI]
UW - You're welcome (mainly used in IRC)
VAN - Virtual Area Network
VAR - Variable
VB - Visual Basic (a programming language)
VBG - Very Big Grin (mainly used in IRC)
VBP - Visual Basic Project (a programming language)
VBS - Visual Basic Scripting
VBSEG - Very big S***-eating Grin (mainly used in IRC)
VC - Virtual Coordinates
VCD - Video Compact Disc
VCPP - Visual C++
VDE - Verona Desktop Enhancer
VDSL - Very high BIT-rate Digital Subscriber Line (higher speeds than DSL, over shorter distances)
VDU - Video Display Unit
VER - Version
VGA - Video Graphics Array (a monitor which supports 256 colors)
VHDCI - Very High Density Cable Interconnect
VI - VIsual editor
VIA - Virtual Interface Architecture
VM - Virtual Machine
VMB - Voice Mail Box
VNC - Virtual Network Computer (by IBM)
VOIP - Voice Over Internet Protocol
VPN - Virtual Private Network
VR - Virtual Reality
VRM - Voltage Regulation Module (regulates the voltage levels of your CPU. Included in all modern CPUs)
VRML - Virtual Reality Modeling Language
VRT - Vertical
VT - Virtual Terminal
VV - Virtual Vault (see VVOS)
VVOS - Virtual Vault Operating System
VWM - Virtual Window Manager (a little program that allows you to have multiple desktops)
VX / VX Community - Virus Exchange Community
VXD - Virtual X (X=anything) Driver
W - Write / Word
W/ - With
W3 - WWW (stands for World Wide Web)
W3C - WWW Consortium (WWW stands for World Wide Web)
WAN - Wide Area Network
WANG - Wide Area Network Group
WAV - Wave
WB - Welcome Back (mainly used in IRC)
WDALYIC - Who died and left you in charge? (mainly used in IRC)
WFM - Works for me (mainly used in IRC)
WIBNI - Wouldn't it be nice if (mainly used in IRC)
WIL - Windows Interface Language
WINDOWS - Will Install Needless Data On Whole System ;)
WKP - Well Known Port
WM - Window Maker (a window manager for X-Windows, the popular GUI for Unix)
WMA - Windows Media Audio
WMF - Windows Meta File
WO / W/O - without (mainly used in IRC)
WON - World Opponent Network (a multiplayer gaming arena.
WORM - Write Once, Read Many (a type of media that can be written on only once, but can be read from as much as the user wants (kinda like CDRs))
WP / W/P - WallPaper / Word Processor / Word Perfect (a .doc editing software)
WT? - What/who the? (mainly used in IRC)
WTF - What the F***! (mainly used in IRC)
WTFO - What the F***! Over! (mainly used in IRC)
WTG - Way to go! (mainly used in IRC)
WTGP? - Want to go private? (mainly used in IRC)
WTV - Web TV
WTZ-UP - Whats Up (mainly used in IRC)
WU? - What's up? (mainly used in IRC)
WUF? - Where are you from? (mainly used in IRC)
WWW - World Wide Web (or World Wide Wait, as some people call it)
WWWC - World Wide Web Consortium
WYPIWYG - Where You Point Is Where You Go
WYSIWYG - What You See Is What You Get
X - Execute
XIG - Xi Graphics Inc (
XML - Extended Markup Language
XMMS - X MultiMedia Systems (the best MP3 player for Unix.
XMS - Extended Memory Specifications
XOR - Exclusive OR (logic gate whose output is 1 if any, but not all, it's inputs are 1st; otherwise, zero (0) (pronounced ex-or))
XP - Experience Point (when playing MUD your character is rated by an XP system. You get XPs for killing, learning, doing stuff or just hanging around. The more XPs you have the more powerful your character is)
XPG - X/Open Portability Guide
XTERM - XWindown Terminal (a terminal window that can be executed from XWindows, the UNIX equivelant for Microsoft's nice n' E-Z GUI)
Y - Why (mainly used in IRC)
Y2K - Year 2,000
YAWS - Yet Another Wingate Scanner
YBWC - Why? Because We Can
YGBSM - You gotta be s***tin' me! (mainly used in IRC)
YMMV - Your Mileage May Vary (mainly used in IRC)
YMTC - You Make The Call
YOYOW - You Own Your Own Words
Yr - year
Z - S (Z stands for S in many "h4x0rish" terms or "warez" terms)
ZD - Zener Diode (semiconductor diode that has a well-defined turn-on voltage for conduction in the reverse direction)
ZIP - Zone Information Protocol
ZOU - Zone Of Unloaded (they've got some MP3s, cracks, games to download... a typical warez website.
ZSH - Z Shell
ZV port - Zoomed Video Port

genoeg zo?
En nu de Nederlandse versie;)
Dat heb ik nou ook weleens .. dat ik me zo verveel dat ik dat ga opschrijven .. maar je was me net ff voor....