Computer Abbreviations—0 to 9, A to Z
0–9
#!: Shebang
/.: Slashdot
1GL: First-Generation Programming Language
1NF: First Normal Form
10B2: 10BASE-2
10B5: 10BASE-5
10B-F: 10BASE-F
10B-FB: 10BASE-FB
10B-FL: 10BASE-FL
10B-T: 10BASE-T
100B-FX: 100BASE-FX
100B-T: 100BASE-T
100B-TX: 100BASE-TX
100BVG: 100BASE-VG
286: Intel 80286 processor
2B1Q: 2 Binary 1 Quaternary
2FA: Two-factor authentication
2GL: Second-Generation Programming Language
2NF: Second Normal Form
3GL: Third-Generation Programming Language
3GPP: 3rd Generation Partnership Project 3G comms
3GPP2: 3rd Generation Partnership Project 2
3NF: Third Normal Form
386: Intel 80386 processor
486: Intel 80486 processor
4B5BLF: 4 Byte 5 Byte Local Fiber
4GL: Fourth-Generation Programming Language
4NF: Fourth Normal Form
5GL: Fifth-Generation Programming Language
5NF: Fifth Normal Form
6NF: Sixth Normal Form
8B10BLF: 8 Byte 10 Byte Local Fiber
802.11: Wireless LAN
A
AAA: Authentication Authorization, Accounting
AABB: Axis Aligned Bounding Box
AAC: Advanced Audio Coding
AAL: ATM Adaptation Layer
AALC: ATM Adaptation Layer Connection
AARP: AppleTalk Address Resolution Protocol
ABAC: Attribute-Based Access Control
ABCL: Actor-Based Concurrent Language
ABI: Application Binary Interface
ABM: Asynchronous Balanced Mode
ABR: Area Border Router
ABR: Auto Baud-Rate detection
ABR: Available Bitrate
ABR: Average Bitrate
AC: Acoustic Coupler
AC: Alternating Current
ACD: Automatic Call Distributor
ACE: Advanced Computing Environment
ACID: Atomicity Consistency Isolation Durability
ACK: ACKnowledgement
ACK: Amsterdam Compiler Kit
ACL: Access Control List
ACL: Active Current Loop
ACM: Association for Computing Machinery
ACME: Automated Classification of Medical Entities
ACP: Airline Control Program
ACPI: Advanced Configuration and Power Interface
ACR: Allowed Cell Rate
ACR: Attenuation to Crosstalk Ratio
AD: Active Directory
AD: Administrative Domain
ADC: Analog-to-Digital Converter
ADC: Apple Display Connector
ADB: Apple Desktop Bus
ADCCP: Advanced Data Communications Control Procedures
ADO : ActiveX Data Objects
ADSL: Asymmetric Digital Subscriber Line
ADT: Abstract Data Type
AE: Adaptive Equalizer
AES: Advanced Encryption Standard
AF: Anisotropic Filtering
AFP: Apple Filing Protocol
AGP: Accelerated Graphics Port
AH: Active Hub
AI: Artificial Intelligence
AIX: Advanced Interactive eXecutive
Ajax : Asynchronous JavaScript and XML
AL : Active Link
AL : Access List
ALAC: Apple Lossless Audio Codec
ALGOL: Algorithmic Language
ALSA: Advanced Linux Sound Architecture
ALU: Arithmetic and Logical Unit
AM: Access Method
AM: Active Matrix
AMOLED: Active-Matrix Organic Light-Emitting Diode
AM: Active Monitor
AM: Allied Mastercomputer
AM: Amplitude Modulation
AMD: Advanced Micro Devices
AMQP: Advanced Message Queuing Protocol
AMR: Audio Modem Riser
ANN: Artificial Neural Network
ANSI: American National Standards Institute
ANT: Another Neat Tool
AoE: ATA over Ethernet
AOP: Aspect-Oriented Programming
APCI: Application-Layer Protocol Control Information
API: Application Programming Interface
APIC: Advanced Programmable Interrupt Controller
APIPA: Automatic Private IP Addressing
APL: A Programming Language
APR: Apache Portable Runtime
ARC: Adaptive Replacement Cache
ARC: Advanced RISC Computing
ARIN: American Registry for Internet Numbers
ARM: Advanced RISC Machines
AROS: AROS Research Operating System
ARP: Address Resolution Protocol
ARPA: Address and Routing Parameter Area
ARPA: Advanced Research Projects Agency
ARPANET: Advanced Research Projects Agency Network
AS: Access Server
ASCII: American Standard Code for Information Interchange
AuthIP: Authenticated Internet Protocol
ASET: Automated Security Enhancement Tool
ASG: Abstract Semantic Graph
ASIC: Application-Specific Integrated Circuit
ASIMO: Advanced Step in Innovative Mobility
ASLR: Address Space Layout Randomization
ASM: Algorithmic State Machine
ASMP: Asymmetric Multiprocessing
ASN.1: Abstract Syntax Notation 1
ASP: Active Server Pages
ASP: Application Service Provider
ASR: Asynchronous Signal Routine
AST: Abstract Syntax Tree
ASSP: Application-Specific Standard Product
AT: Advanced Technology
AT: Access Time
AT: Active Terminator
ATA: Advanced Technology Attachment
ATAG: Authoring Tool Accessibility Guidelines
ATAPI: Advanced Technology Attachment Packet Interface
ATM: Asynchronous Transfer Mode
AV: Antivirus
AVC: Advanced Video Coding
AVI: Audio Video Interleaved
AWK: Aho Weinberger Kernighan
AWT: Abstract Window Toolkit
AWFL: Acronym With Four Letters
B
B2B: Business-to-Business
B2C: Business-to-Consumer
BAL: Basic Assembly Language
BAM: Block Availability Map
Bash: Bourne-again shell
BASIC: Beginner’s All-Purpose Symbolic Instruction Code
BBP: Baseband Processor
BBS: Bulletin Board System
BCD: Binary Coded Decimal
BCD: Boot Configuration Data
BCNF: Boyce–Codd normal form
BEEP: Blocks Extensible Exchange Protocol
BER: Bit Error Rate
BFD: Bidirectional Forwarding Detection
BFD: Binary File Descriptor
BFS: Breadth-First Search
BFT: Byzantine Fault Tolerant
BGP: Border Gateway Protocol
BI: Business Intelligence
BiDi: Bi-Directional
bin: binary
BINAC: Binary Automatic Computer
BIND: Berkeley Internet Name Domain
BIOS: Basic Input Output System
BJT: Bipolar Junction Transistor
bit: binary digit
Blob: Binary large object
Blog: Web Log
BMP: Basic Multilingual Plane
BNC: Bayonet Neill-Concelman
BOINC: Berkeley Open Infrastructure for Network Computing
BOM: Byte Order Mark
BOOTP: Bootstrap Protocol
BPDU: Bridge Protocol Data Unit
BPEL: Business Process Execution Language
BPL: Broadband over Power Lines
BPM: Business Process Management
BPM: Business Process Modeling
bps: bits per second
BRM: Business Reference Model
BRMS: Business Rule Management System
BRR: Business Readiness Rating
BRS: Broadband Radio Service
BSA: Business Software Alliance
BSB: Backside Bus
BSD: Berkeley Software Distribution
BSoD: Blue Screen of Death
BSS: Block Started by Symbol
BT: BitTorrent
BT: Bluetooth
B TAM: Basic Telecommunications Access Method
BW: Bandwidth
BYOD: Bring Your Own Device
C
CA: Computer architecture
CAD: Computer-Aided Design
CAE: Computer-Aided Engineering
CAID: Computer-Aided Industrial Design
CAI: Computer-Aided Instruction
CAM : Computer-Aided Manufacturing
CAPTCHA: Completely Automated Public Turing Test to tell Computers and
Humans Apart
CAT: Computer-Aided Translation
CAQ: Computer-Aided Quality Assurance
CASE: Computer-Aided Software Engineering
cc: C Compiler
CD: Compact Disc
CDE: Common Desktop Environment
CDFS : Compact Disk File System
CDMA: Code Division Multiple Access
CDN: Content Delivery Network
CDP: Continuous Data Protection
CD-R: CD-Recordable
CD-ROM: CD Read-Only Memory
CD-RW: CD-Rewritable
CDSA: Common Data Security Architecture
CERT: Computer Emergency Response Team
CES: Consumer Electronics Show
CF: Compact Flash
CFD: Computational Fluid Dynamics
CFG: Context-Free Grammar
CFG: Control Flow Graph
CG: Computer Graphics
CGA: Color Graphics Array
CGI: Common Gateway Interface
CGI: Computer-Generated Imagery
CGT: Computational Graph Theory
CHAP: Challenge-Handshake Authentication Protocol
CHS: Cylinder-Head-Sector
CIDR: Classless Inter-Domain Routing
CIFS: Common Internet Filesystem
CIM: Common Information Model
CIM: Computationally Independent Model
CIO: Chief Information Officer
CIR: Committed information rate
CISC: Complex Instruction Set Computer
CJK: Chinese, Japanese, and Korean
CJKV: Chinese, Japanese, Korean, and Vietnamese
CLI: Command Line Interface
CLR: Common Language Runtime
CM: Configuration Management
CM: Content Management
CMDB: Configuration Management Database
CMMI: Capability Maturity Model Integration
CMOS: Complementary Metal-Oxide Semiconductor
CMS: Content Management System
CN: Canonical Name
CN: Common Name
CNC: Computer Numerical Control
CNG: Cryptographic Next Generation
CNG: Cryptography Next Generation
CNR: Communications and Networking Riser
COBOL: Common Business-Oriented Language
COM: Component Object Model or communication
CORBA: Common Object Request Broker Architecture
COTS: Commercial Off-The-Shelf
CPA: Cell Processor Architecture
CPAN: Comprehensive Perl Archive Network
CP/M: Control Program/Monitor
CPRI: Common Public Radio Interface
CPS: characters per second
CPU: Central Processing Unit
CR: Carriage Return
CRAN: Comprehensive R Archive Network
CRC: Cyclic Redundancy Check
CRLF: Carriage Return Line Feeds
CRM: Customer Relationship Management
CRS: Computer Reservations System
CRT: Cathode Ray Tube
CRUD: Create, Read, Update and Delete
CS: Cable Select
CS: Computer Science
CSE: Computer Science and Engineering
CSI: Common System Interface
CSM: Compatibility Support Module
CSMA/CD: Carrier sense multiple access with collision detection
CSP: Cloud Service Provider
CSP: Communicating Sequential Processes
CSRF: Cross-Site Request Forgery
CSS: Cascading Style Sheets
CSS: Content-Scrambling System
CSS: Closed Source Software
CSS: Cross-Site Scripting
CSV: Comma-Separated Values
CT: Computerized Tomography
CTAN: Comprehensive TeX Archive Network
CTCP: Client-To-Client Protocol
CTI: Computer Telephony Integration
CTFE: Compile Time Function Execution
CTL: Computational Tree Logic
CTM: Close To Metal
CTS: Clear To Send
CTSS: Compatible Time-Sharing System
CUA: Common User Access
CVS: Concurrent Versioning System
D
DAC: Digital-To-Analog Converter
DAC: Discretionary Access Control
DAL: Database Abstraction Layer
DAO: Data Access Object
DAO: Data Access Objects
DAO: Disk-At-Once
DAP: Directory Access Protocol
DARPA: Defense Advanced Research Projects Agency
DAT: Digital Audio Tape
DB: Database
DBA: Database Administrator
DBCS: Double Byte Character Set
DBMS: Database Management System
DCC: Direct Client-to-Client
DCCP: Datagram Congestion Control Protocol
DCCA: Debian Common Core Alliance
DCL: Data Control Language
DCS: Distributed Control System
DCMI: Dublin Core Metadata Initiative
DCOM: Distributed Component Object Model
DD: Double Density
DDE: Dynamic Data Exchange
DDI: DNS DHCP & IP Address management
DDL: Data Definition Language
DDoS: Distributed Denial of Service
DDR: Double Data Rate
DEC: Digital Equipment Corporation
DES: Data Encryption Standard
dev: development
DFA: Deterministic Finite Automaton
DFD: Data Flow Diagram
DFS: Depth-First Search
DFS: Distributed File System
DGD: Dworkin’s Game Driver
DHCP: Dynamic Host Configuration Protocol
DHTML: Dynamic Hypertext Markup Language
DIF: Data Integrity Field
DIMM: Dual Inline Memory Module
DIN: Deutsches Institut für Normung
DIP: Dual In-line Package
DISM : Deployment Image and
Service Management Tool
DIVX: Digital Video Express
DKIM: Domain Keys Identified Mail
DL: Download
DLL: Dynamic Link Library
DLNA: Digital Living Network Alliance
DLP: Data loss protection
DMA: Direct Memory Access
DMCA: Digital Millennium Copyright Act
DMI: Direct Media Interface
DML: Data Manipulation Language
DML: Definitive Media Library
DMR: Dennis M. Ritchie
DMZ: Demilitarized Zone
DN: Distinguished Name
DND: Drag-and-Drop
DNS: Domain Name System
DOA: Dead on Arrival
DOCSIS: Data Over Cable Service Interface Specification
DOM: Document Object Model
DoS: Denial of Service
DOS: Disk Operating System
DP: Dot Pitch
DPC: Deferred Procedure Call
DPI: Deep Packet Inspection
DPI: Dots Per Inch
DPMI: DOS Protected Mode Interface
DPMS: Display Power Management Signaling
DR: Disaster Recovery
DRAM: Dynamic Random-Access Memory
DR-DOS: Digital Research—Disk Operating System
DRI: Direct Rendering Infrastructure
DRM: Digital Rights Management
DRM: Direct Rendering Manager
DSA: Digital Signature Algorithm
DSDL: Document Schema Definition Languages
DSDM: Dynamic Systems Development Method
DSL: Digital Subscriber Line
DSL: Domain-Specific Language
DSLAM: Digital Subscriber Line Access Multiplexer
DSN: Database Source Name
DSN: Data Set Name
DSP: Digital Signal Processor
DSSSL: Document Style Semantics and Specification Language
DTD: Document Type Definition
DTE: Data Terminal Equipment or data transfer rate
DTP: Desktop Publishing
DTR: Data Terminal Ready or Data transfer rate
DVD: Digital Versatile Disc
DVD-R: DVD-Recordable
DVD-ROM: DVD-Read Only Memory
DVD-RW: DVD-Rewritable
DVI: Digital Visual Interface
DVR: Digital Video Recorder
DW: Data Warehouse
E
EAI: Enterprise Application Integration
EAP: Extensible Authentication Protocol
EAS: Exchange ActiveSync
EBCDIC: Extended Binary Coded Decimal Interchange Code
EBML: Extensible Binary Meta Language
ECC: Elliptic Curve Cryptography
ECMA: European Computer Manufacturers Association
ECN: Explicit Congestion Notification
ECOS: Embedded Configurable Operating System
ECRS: Expense and Cost Recovery System
EDA: Electronic Design Automation
EDGE: Enhanced Data rates for GSM Evolution
EDI: Electronic Data Interchange
EDO : Extended Data Out
EDSAC: Electronic Delay Storage Automatic Calculator
EDVAC: Electronic Discrete Variable Automatic Computer
EEPROM: Electronically Erasable Programmable Read-Only Memory
EFF: Electronic Frontier Foundation
EFI: Extensible Firmware Interface
EFM: Eight-to-Fourteen Modulation
EFS: Encrypting File System
EGA: Enhanced Graphics Array
E-mail: Electronic mail
EGP: Exterior Gateway Protocol
eID: electronic ID card
EIDE: Enhanced IDE
EIGRP: Enhanced Interior Gateway Routing Protocol
EISA: Extended Industry Standard Architecture
ELF: Extremely Low Frequency
ELF: Executable and Linkable Format
ELM: ELectronic Mail
EMACS: Editor MACroS
EMS : Expanded Memory Specification
ENIAC: Electronic Numerical Integrator And Computer
EOD: End of Day
EOF: End of File
EOL: End of Line
EOM: End Of Message
EOS: End OF Support
EPIC: Explicitly Parallel Instruction Computing
EPROM: Erasable Programmable Read-Only Memory
ERD: Entity-Relationship Diagram
ERM: Entity-Relationship Model
ERP: Enterprise Resource Planning
eSATA: external SATA
ESB: Enterprise service bus
ESCON: Enterprise Systems Connection
ESD: Electrostatic Discharge
ESR: Eric Steven Raymond
ETL: Extract, Transform, Load
ETW: Event Tracing for Windows
EUC: Extended Unix Code
EULA: End User License Agreement
EWMH: Extended Window Manager Hints
EXT: EXTended file system
F
FAP: FORTRAN Assembly Program
FASM: Flat ASseMbler
FAT: File Allocation Table
FAQ: Frequently Asked Questions
FBDIMM: Fully Buffered Dual Inline Memory Module
FC-AL: Fibre Channel Arbitrated Loop
FCB: File Control Block
FCS: Frame Check Sequence
FDC: Floppy Disk Controller
FDS: Fedora Directory Server
FDD: Frequency-Division Duplexing
FDD : Floppy Disk Drive
FDDI: Fiber Distributed Data Interface
FDM: Frequency-Division Multiplexing
FDMA: Frequency-Division Multiple Access
FEC: Forward Error Correction
FEMB: Front-End Motherboard
FET: Field Effect Transistor
FHS: Filesystem Hierarchy Standard
FICON: FIber CONnectivity
FIFO: First In First Out
FIPS: Federal Information Processing Standards
FL: Function Level
FLAC: Free Lossless Audio Codec
FLOPS: FLoating-Point Operations Per Second
FLOSS: Free/Libre/Open Source Software
FMC: Fixed Mobile Convergence “Mobile UC or Unified Communications over
Wireless”
FOLDOC: Free On-line Dictionary of Computing
FOSDEM: Free and Open source Software Developers’ European Meeting
FOSI: Formatted Output Specification Instance
FOSS: Free and Open Source Software
FP: Function Programming
FPGA: Field Programmable Gate Array
FPS: Floating Point Systems
FPU: Floating Point Unit
FRU: Field Replaceable Unit
FS: File System
FSB: Front Side Bus
fsck: File System Check
FSF: Free Software Foundation
FSM: Finite State Machine
FTTA: Fiber To The Antenna
FTTC: Fiber To The Curb
FTTH: Fiber To The Home
FTTP: Fiber To The Premises
FTP: File Transfer Protocol
FQDN: Fully Qualified Domain Name
FUD: Fear Uncertainty Doubt
FWS: Folding White Space
FXP: File eXchange Protocol
FYI: For Your Information
FVEK: Full Volume Encryption Key
G
G11N: Globalization
Gas: GNU Assembler
Gb: Gigabit
GB: Gigabyte
GCC: GNU Compiler Collection
GCJ: GNU Compiler for Java
GCR: Group Code Recording
GDB: GNU Debugger
GDI: Graphics Device Interface
GFDL: GNU Free Documentation License
GIF: Graphics Interchange Format
GIGO: Garbage In, Garbage Out
GIMP: GNU Image Manipulation Program
GIMPS: Great Internet Mersenne Prime Search
GIS: Geographic Information System
GLUT: OpenGL Utility Toolkit
GML: Geography Markup Language
GNOME: GNU Network Object Model Environment
GNU: GNU’s Not Unix
GOMS: Goals, Operators, Methods, and Selection rules
GPASM: GNU PIC ASseMbler
GPFS: General Parallel File System
GPG: GNU Privacy Guard
GPGPU: General-Purpose Computing on Graphics Processing Units
GPIB: General-Purpose Instrumentation Bus
GPL: General Public License
GPL: General-Purpose Language
GPRS: General Packet Radio Service
GPT: GUID Partition Table
GPU: Graphics Processing Unit
GRUB: Grand Unified Boot-Loader
GERAN: GSM EDGE Radio Access Network
GSM: Global System for Mobile Communications
GTK+: GIMP Toolkit
GUI: Graphical User Interface
GUID: Globally Unique IDentifier
GWT: Google Web Toolkit
GYR: IT Networking
H
HA: High Availability
HAL: Hardware Abstraction Layer
HASP: Houston Automatic Spooling Priority
HBA: Host Bus Adapter
HCI: Human Computer Interaction
HD: High Density
HDD : Hard Disk Drive
HCL: Hardware Compatibility List
HD DVD: High Definition DVD
HDL: Hardware Description Language
HDMI: High-Definition Multimedia Interface
HF: High Frequency
HFS: Hierarchical File System
HHD: Hybrid Hard Drive
HID: Human Interface Device
HIG: Human Interface Guidelines
HIRD: Hurd of Interfaces Representing Depth
HLASM: High Level ASseMbler
HLS: HTTP Live Streaming
HMA: High Memory Area
HP: Hewlett-Packard
HPC: High-Performance Computing
HPFS: High Performance File System
HSDPA: High-Speed Downlink Packet Access
HTC: High-Throughput Computing
HSM: Hierarchical Storage Management
HT: Hyper Threading
HTM: Hierarchical Temporal Memory
HTML: Hypertext Markup Language
HTTP: Hypertext Transfer Protocol
HTTPd: Hypertext Transport Protocol Daemon
HTTPS: HTTP Secure
HTX: HyperTransport eXpansion
HURD: Hird of Unix-Replacing Daemons
HVD: Holographic Versatile Disc
Hz: Hertz
I
I²C: Inter-Integrated Circuit
I²S: Integrated Interchip Sound
I18N: Internationalization
IANA: Internet Assigned Numbers Authority
iBCS: Intel Binary Compatibility Standard
IBM: International Business Machines
IC: Integrated Circuit
ICANN: Internet Corporation for Assigned Names and Numbers
ICE: In-Circuit Emulator
ICE: Intrusion Countermeasure Electronics
ICH: I/O Controller Hub
ICMP: Internet Control Message Protocol
ICP: Internet Cache Protocol
ICS: Internet Connection Sharing
ICT: Information and Communication Technology
IDE: Integrated Development Environment
IDE: Integrated Drive Electronics
IDF: Intermediate Distribution Frame
IDF: Intermediate Data Format
IDL: Interactive Data Language
IDL: Interface Definition Language
IDS: Intrusion Detection System
IE: Internet Explorer
IEC: International Electrotechnical Commission
IEEE: Institute of Electrical and Electronics Engineers
IETF: Internet Engineering Task Force
IFL: Integrated Facility for Linux
IGMP: Internet Group Management Protocol
IGRP: Interior Gateway Routing Protocol
IHV: Independent Hardware Vendor
IIOP: Internet Inter-Orb Protocol
IIS: Internet Information Services
IKE: Internet Key Exchange
IL: Intermediate Language
IM: Instant Messaging
IMAP: Internet Message Access Protocol
IME: Input Method Editor
INFOSEC: Information Systems Security
I/O: Input/output
IoT: Internet of Things
IP: Intellectual Property
IP: Internet Protocol
IPAM: IP Address Management
IPC: Inter-Process Communication
IPL: Initial Program Load
IPMI: Intelligent Platform Management Interface
IPO: Inter Procedural Optimization
IPP: Internet Printing Protocol
IPS: In-Plane Switching
IPS: Instructions Per Second
IPS: Intrusion Prevention System
IPsec: Internet Protocol security
IPTV: Internet Protocol Television
IPv4: Internet Protocol version 4
IPv6: Internet Protocol version 6
IPX: Internetwork Packet Exchange
IR: Intermediate Representation
IRC: Internet Relay Chat
IrDA: Infrared Data Association
IRI: Internationalized Resource Identifier
I/F: Interface
IRP: I/O Request Packet
IRQ: Interrupt Request
IS: Information Systems
IS-IS: Intermediate System to Intermediate System
ISA: Industry Standard Architecture
ISA: Instruction Set Architecture
ISAM: Indexed Sequential Access Method
ISATAP: Intra-Site Automatic Tunnel Addressing Protocol
ISC: Internet Storm Center
iSCSI: Internet Small Computer System Interface
ISDN: Integrated Services Digital Network
ISO: International Organization for Standardization
iSNS: Internet Storage Name Service
ISP: Internet Service Provider
ISPF: Interactive System Productivity Facility
ISR: Interrupt Service Routine
ISV: Independent Software Vendor
IT: Information Technology
ITIL: Information Technology Infrastructure Library
ITL: Interval Temporal Logic
ITU: International Telecommunication Union
IVRS: Interactive Voice Response System
IVCR: Interactive Virtual Classroom
J
J2EE: Java 2 Enterprise Edition
J2ME: Java 2 Micro Edition
J2SE: Java 2 Standard Edition
JAXB: Java Architecture for XML Binding
JAX-RPC: Java XML for Remote Procedure Calls
JAXP: Java API for XML Processing
JBOD: Just a Bunch of Disks
JCE: Java Cryptography Extension
JCL: Job Control Language
JCP: Java Community Process
JDBC: Java Database Connectivity
JDK: Java Development Kit
JEE: Java Enterprise Edition
JES: Job Entry Subsystem
JDS: Java Desktop System
JFC: Java Foundation Classes
JFET: Junction Field-Effect Transistor
JFS: IBM Journaling File System
JINI: Jini Is Not Initials
JIT: Just-In-Time
JME: Java Micro Edition
JMX: Java Management Extensions
JMS: Java Message Service
JNDI: Java Naming and Directory Interface
JNI: Java Native Interface
JNZ: Jump non-zero
JPEG: Joint Photographic Experts Group
JRE: Java Runtime Environment
JS: JavaScript
JSE: Java Standard Edition
JSON: JavaScript Object Notation
JSP: Jackson Structured Programming
JSP: JavaServer Pages
JTAG: Joint Test Action Group
JUG: Java Users Group
JVM: Java Virtual Machine
K
K&R: Kernighan and Ritchie
KB: Keyboard
Kb: Kilobit
KB: Kilobyte
KB: Knowledge Base
KDE: K Desktop Environment
kHz: Kilohertz
KM: Knowledge Machine
KRL: Knowledge Representation Language
KVM: Keyboard, Video, Mouse
L
L10N: Localization
L2TP: Layer two Tunneling Protocol
LACP: Link Aggregation Control Protocol
LAMP: Linux Apache MySQL Perl
LAMP: Linux Apache MySQL PHP
LAMP: Linux Apache MySQL Python
LAN: Local Area Network
LBA: Logical Block Addressing
LB: Load Balancer
LCD: Liquid Crystal Display
LCR: Least Cost Routing
LCOS: Liquid Crystal On Silicon
LDAP: Lightweight Directory Access Protocol
LE: Logical Extents
LED: Light-Emitting Diode
LF: Line Feed
LF: Low Frequency
LFS: Linux From Scratch
LGPL: Lesser General Public License
LIB: LIBrary
LIF: Low Insertion Force
LIFO: Last In First Out
LILO: Linux Loader
LISP: LISt Processing
LKML: Linux Kernel Mailing List
LM: Lan Manager
LOC: Lines of Code
LPC: Lars Pensjö C
LPI: Linux Professional Institute
LPT: Line Print Terminal
LRU: Least Recently Used
LSB: Least Significant Bit
LSB: Linux Standard Base
LSI: Large-Scale Integration
LTE: Long Term Evolution
LTL: Linear Temporal Logic
LTR: Left-to-Right
LUG: Linux User Group
LUN: Logical Unit Number
LV : Logical Volume
LVD: Low Voltage Differential
LVM: Logical Volume Management
LZW: Lempel-Ziv-Welch
LGA: Land Grid Array
M
MAC: Mandatory Access Control
MAC: Media Access Control
MAN: Metropolitan Area Network
MANET: Mobile Ad-Hoc Network
MAPI: Messaging Application Programming Interface
Mb: Megabit
MB: Megabyte
MBCS: Multi Byte Character Set
MBD: Model-Based Design
MBR: Master Boot Record
MCA: Micro Channel Architecture
MCA: Microsoft Certified Architect
MCAD: Microsoft Certified Application Developer
MCAS: Microsoft Certified Application Specialist
MCDBA: Microsoft Certified DataBase Administrator
MCDST: Microsoft Certified Desktop Support Technician
MCITP: Microsoft Certified Information Technology Professional
MCM: Microsoft Certified Master
MCP: Microsoft Certified Professional
MCPC: Multiple Channels Per Carrier
MCPD: Microsoft Certified Professional Developer
MCSA: Microsoft Certified Systems Administrator
MCSD: Microsoft Certified Solution Developer
MCSE: Microsoft Certified Systems Engineer
MCT: Microsoft Certified Trainer
MCTS: Microsoft Certified Technology Specialist
MDA: Mail Delivery Agent
MDA: Model-Driven Architecture
MDA: Monochrome Display Adapter
MDD/MDSD: Model-Driven (Software) Development
MDF: Main Distribution Frame
MDI: Multiple Document Interface
ME: Microsoft Edge
ME: [Windows] Millennium Edition
MF: Medium Frequency
MFC: Microsoft Foundation Classes
MFM: Modified Frequency Modulation
MGCP: Media Gateway Control Protocol
MHz: Megahertz
MIB: Management Information Base
MICR: Magnetic Ink Character Recognition
MIDI : Musical Instrument Digital Interface
MIMD: Multiple Instruction, Multiple Data
MIMO: Multiple-Input Multiple-Output
MINIX: MIni-uNIX
MIPS: Million Instructions Per Second
MIPS: Microprocessor without Interlocked Pipeline Stages
MIS: Management Information Systems
MISD: Multiple Instruction, Single Data
MIT: Massachusetts Institute of Technology
MIME: Multipurpose Internet Mail Extensions
MMDS: Multichannel Multipoint Distribution Service
MMDS: Mortality Medical Data System
MMI: Man Machine Interface.
MMIO: Memory-Mapped I/O
MMORPG: Massively Multiplayer Online Role-Playing Game
MMC: Microsoft Management Console
MMU: Memory Management Unit
MMX: Multi-Media Extensions
MNG: Multiple-image Network Graphics
MoBo: Motherboard
MOM: Message-Oriented Middleware
MOO: MUD Object Oriented
MOP: Meta-Object Protocol
MOS: Microsoft Office Specialist
MOSFET: Metal-Oxide Semiconductor Field Effect Transistor
MOTD: Message Of The Day
MOUS: Microsoft Office User Specialist
MOV: Apple QuickTime Multimedia File
MPAA: Motion Picture Association of America
MPEG: Motion Pictures Experts Group
MPL: Mozilla Public License
MPLS: Multiprotocol Label Switching
MPU: Microprocessor Unit
MS: Memory Stick
MS: Microsoft
MSB: Most Significant Bit
MSN: Microsoft Network
MS-DOS: Microsoft DOS
MT: Machine Translation
MTA: Mail Transfer Agent
MTA: Microsoft Technology Associate
MTBF: Mean Time Between Failures
MTU: Maximum Transmission Unit
MSA: Mail Submission Agent
MSDN: Microsoft Developer Network
MSI: Medium-Scale Integration
MSI: Message Signaled Interrupt
MSI: Microsoft Installer
MUA: Mail User Agent
MUD: Multi-User Dungeon
MVC: Model-View-Controller
MVP: Most Valuable Professional
MVS: Multiple Virtual Storage
MWC: Mobile World Congress
MX: Mail exchange
MXF: Material Exchange Format
N
NACK: Negative ACKnowledgement
NAK: Negative AcKnowledge Character
NaN : Not a Number
NAP: Network Access Protection
NAS: Network-Attached Storage
NASM: Netwide ASseMbler
NAT: Network Address Translation
NCP: NetWare Core Protocol
NCQ: Native Command Queuing
NCSA: National Center for Supercomputing Applications
NDIS: Network Driver Interface Specification
NDPS: Novell Distributed Print Services
NDS: Novell Directory Services
NEP: Network Equipment Provider
NetBIOS: Network Basic Input/Output System
NetBT: NetBIOS over TCP/IP
NEXT: Near-End CrossTalk
NFA: Nondeterministic Finite Automaton
NFC: Near field communication
NFS: Network File System
NGL: aNGeL
NGSCB: Next-Generation Secure Computing Base
NI: National Instruments
NIC: Network Interface Controller
NIM: No Internal Message
NIO: New I/O
NIST: National Institute of Standards and Technology
NLP: Natural Language Processing
NLS: Native Language Support
NMI: Non-Maskable Interrupt
NNTP: Network News Transfer Protocol
NOC: Network Operations Center
NOP: No OPeration
NOS: Network Operating System
NP: Nondeterministic Polynomial time
NPL: Netscape Public License
NPTL: Native POSIX Thread Library
NPU: Network Processing Unit
NS: Netscape
NSA: Network Security Appliance
NSI: Network Service Interface
NSPR: Netscape Portable Runtime
NSS: Novell Storage Service
NSS: Network Security Services
NSS: Name Service Switch
NT: New Technology
NTFS: NT Filesystem
NTLM: NT Lan Manager
NTP: Network Time Protocol
NUMA: Non-Uniform Memory Access
NURBS: Non-Uniform Rational B-Spline
NVR: Network Video Recorder
NVRAM: Non-Volatile Random Access Memory
O
OASIS: Organization for the Advancement of Structured Information
Standards
OAT: Operational Acceptance Testing
OBSAI: Open Base Station Architecture Initiative
ODBC: Open Database Connectivity
OEM: Original Equipment Manufacturer
OES: Open Enterprise Server
OFDM: Orthogonal Frequency Division Multiplexing
OFTC: Open and Free Technology Community
OID: Object Identifier
OLAP: Online Analytical Processing
OLE: Object Linking and Embedding
OLED: Organic Light Emitting Diode
OLPC: One Laptop per Child
OLTP: Online Transaction Processing
OMF: Object Module Format
OMG: Object Management Group
OMR: Optical Mark Reader
OO: Object-Oriented
OO: OpenOffice
OOE: Out-of-Order Execution
OOM: Out Of Memory
OOo: OpenOffice.org
OoOE: Out-of-Order Execution
OOP: Object-Oriented Programming
OOTB: Out of the box
OPML: Outline Processor Markup Language
ORB: Object Request Broker
ORM: Object-Relational Mapping
OS: Open Source
OS: Operating System
OSCON: O’Reilly Open Source CONvention
OSDN: Open Source Development Network
OSI: Open Source Initiative
OSI: Open Systems Interconnection
OSPF: Open Shortest Path First
OSS : Open Sound System
OSS : Open-Source Software
OSS : Operations Support System
OSTG: Open Source Technology Group
OUI: Organisationally Unique Identifier
P
P2P: Peer-To-Peer
PaaS: Platform as a Service
PAN: Personal Area Network
PAP: Password Authentication Protocol
PARC: Palo Alto Research Center
PATA: Parallel ATA
PBS: Portable Batch System
PC: Personal Computer
PCB: Printed Circuit Board
PCB: Process Control Block
PC DOS: Personal Computer Disc Operating System
PCI: Peripheral Component Interconnect
PCIe: PCI Express
PCL: Printer Command Language
PCMCIA: Personal Computer Memory Card International Association
PCM: Pulse-Code Modulation
PCRE: Perl Compatible Regular Expressions
PD: Public Domain
PDA: Personal Digital Assistant
PDF: Portable Document Format
PDH: Plesiochronous Digital Hierarchy
PDP: Programmed Data Processor
PE: Physical Extents
PERL: Practical Extraction and Reporting Language
PFA: Please Find Attachment
PG: Peripheral Gateway
PGA: Pin Grid Array
PGA: Programmable Gate Array
PGO: Profile-Guided Optimization
PGP: Pretty Good Privacy
PHP: Hypertext Preprocessor
PIC: Peripheral Interface Controller
PIC: Programmable Interrupt Controller
PID: Proportional-Integral-Derivative
PID: Process ID
PIM: Personal Information Manager
PINE: Program for Internet News and Email
PIM: Platform Independent Model
PIO: Programmed Input/Output
PKCS: Public Key Cryptography Standards
PKI: Public Key Infrastructure
PLC: Power Line Communication
PLC: Programmable Logic Controller
PLD: Programmable Logic Device
PL/I: Programming Language One
PL/M: Programming Language for Microcomputers
PL/P: Programming Language for Prime
PLT: Power Line Telecommunications
PMM: POST Memory Manager
PNG: Portable Network Graphics
PnP: Plug-and-Play
PNRP: Peer Name Resolution Protocol
PoE: Power over Ethernet
POID: Persistent Object Identifier
POJO: Plain Old Java Object
POP: Point of Presence
POP3: Post Office Protocol v3
POSIX: Portable Operating System Interface, formerly IEEE-IX
POST: Power-On Self Test
PPC: PowerPC
PPI: Pixels Per Inch
PPP: Point-to-Point Protocol
PPPoA: PPP over ATM
PPPoE: PPP over Ethernet
PPTP: Point-to-Point Tunneling Protocol
PR: Pull Request
PS: PostScript
PS/2: Personal System/2
PSA: Professional Services Automation
PSM: Platform Specific Model
PSU: Power Supply Unit
PSVI: Post-Schema-Validation Infoset
PTS-DOS: PhysTechSoft—Disk Operating System
PV: Physical Volume
PVG: Physical Volume Group
PVR: Personal Video Recorder
PXE: Preboot Execution Environment
PXI: PCI eXtensions for Instrumentation
Q
QDR: Quad Data Rate
QA: Quality Assurance
QFP: Quad Flat Package
QoS: Quality of Service
QOTD: Quote of the Day
Qt: Quasar Toolkit
QTAM: Queued Teleprocessing Access Method
QSOP: Quarter Small Outline Package
qWave: Quality Windows Audio/Video Experience
R
RACF: Resource Access Control Facility
RAD: Rapid Application Development
RADIUS: Remote Authentication Dial In User Service
RAID: Redundant Array of Independent Disks
RAII: Resource Acquisition Is Initialization
RAIT: Redundant Array of Inexpensive Tapes
RAM: Random Access Memory
RARP: Reverse Address Resolution Protocol
RAS: Reliability, Availability and Serviceability
RAS: Remote Access Service
RC: Region Code
RC: Release Candidate
RC: Run Commands
RCS: Revision Control System
RD: Remote Desktop
rd: remove directory
RDBMS: Relational Database Management System
RDC: Remote Desktop Connection
RDF: Resource Description Framework
RDM: Relational Data Model
RDOS: Real-time Disk Operating System
RDP: Remote Desktop Protocol
RDS: Remote Data Services
REFAL: Recursive Functions Algorithmic Language
REST: Representational State Transfer
regex: Regular Expression
regexp: Regular Expression
RF: Radio Frequency
RFC: Request For Comments
RFI: Radio Frequency Interference
RFID: Radio Frequency Identification
RGB: Red, Green, Blue
RGBA: Red, Green, Blue, Alpha
RHL: Red Hat Linux
RHEL: Red Hat Enterprise Linux
RIA: Rich Internet Application
RIAA: Recording Industry Association of America
RIP: Raster Image Processor
RIP: Routing Information Protocol
RIR: Regional Internet registry
RISC: Reduced Instruction Set Computer
RISC OS: Reduced Instruction Set Computer Operating System
RJE: Remote Job Entry
RLE: Run-Length Encoding
RLL: Run-Length Limited
rmdir: remove directory
RMI: Remote Method Invocation
RMS: Richard Matthew Stallman
ROM: Read Only Memory
ROMB: Read-Out Motherboard
ROM-DOS: Read Only Memory—Disk Operating System
RPC: Remote Procedure Call
RPG: Report Program Generator
RPM: RPM Package Manager
RRAS: Routing and Remote Access Service
RSA: Rivest Shamir Adleman
RSI: Repetitive Strain Injury
RSS: Radio Service Software
RSS: Rich Site Summary, RDF Site Summary, or Really Simple Syndication
RTAI: Real-Time Application Interface
RTC: Real-Time Clock
RTE: Real-Time Enterprise
RTEMS: Real-Time Executive for Multiprocessor Systems
RTL: Right-to-Left
RTOS: Real-Time Operating System
RTP: Real-time Transport Protocol
RTS: Ready To Send
RTSP: Real Time Streaming Protocol
RTTI: Run-time Type Information
RWD: Responsive Web Design
S
SaaS: Software as a Service
SAM: Security Account Manager
SAN: Storage Area Network
SAS: Serial attached SCSI
SATA: Serial ATA
SAX: Simple API for XML
SBOD: Spinning Beachball of Death
SBP-2: Serial Bus Protocol 2
sbin: superuser binary
SBU: Standard Build Unit
SCADA: Supervisory Control And Data Acquisition
SCID: Source Code in Database
SCM: Software Configuration Management
SCM: Source Code Management
SCP: Secure Copy
SCPC-Single
Channel Per Carrier
SCPI: Standard Commands for Programmable Instrumentation
SCSA: Secure Content Storage Association
SCSI: Small Computer System Interface
SCTP: Stream Control Transmission Protocol
SD: Secure Digital
SDDL: Security Descriptor Definition Language
SDH: Synchronous Digital Hierarchy
SDI: Single Document Interface
SEC: Single Edge Contact
SDIO: Secure Digital Input Output
SDK: Software Development Kit
SDL: Simple DirectMedia Layer
SDN: Service Delivery Network
SDP: Session Description Protocol
SDR: Software-Defined Radio
SDRAM: Synchronous Dynamic Random Access Memory
SDSL: Symmetric DSL
SE: Single Ended
SEI: Software Engineering Institute
SEO: Search Engine Optimization
SFTP: Secure FTP
SFTP: Simple File Transfer Protocol
SFTP: SSH File Transfer Protocol
SGI: Silicon Graphics, Incorporated
SGML: Standard Generalized Markup Language
SGR: Select Graphic Rendition
SHA: Secure Hash Algorithm
SHDSL: Single-pair High-speed Digital Subscriber Line
SIGCAT: Special Interest Group on CD-ROM Applications and Technology
SIGGRAPH: Special Interest Group on Graphics
SIMD: Single Instruction, Multiple Data
SIMM: Single Inline Memory Module
SIP: Session Initiation Protocol
SIP: Supplementary Ideographic Plane
SISD: Single Instruction, Single Data
SISO: Single-Input and Single-Output
SLED: SUSE Linux Enterprise Desktop
SLES: SUSE Linux Enterprise Server
SLI: Scalable Link Interface
SLIP: Serial Line Internet Protocol
SLM: Service Level Management
SLOC: Source Lines of Code
SME: Subject Matter Expert
SPM: Software project management
SPMD: Single Program, Multiple Data
SMA: SubMiniature version A
SMB: Server Message Block
SMBIOS: System Management BIOS
SMIL: Synchronized Multimedia Integration Language
S/MIME: Secure/Multipurpose Internet Mail Extensions
SMP: Supplementary Multilingual Plane
SMP: Symmetric Multi-Processing
SMS: Short Message Service
SMS: System Management Server
SMT: Simultaneous Multithreading
SMTP: Simple Mail Transfer Protocol
SNA: Systems Network Architecture
SNMP: Simple Network Management Protocol
SNTP: Simple Network Time Protocol
SOA: Service-Oriented Architecture
SOAP: Simple Object Access Protocol
SOAP: Symbolic Optimal Assembly Program
SOPA: Stop Online Piracy Act
SoC: System-on-a-Chip
SO-DIMM: Small Outline DIMM
SOE: Standard Operating Environment
SOHO : Small Office/Home Office
SOI: Silicon On Insulator
SP: Service Pack
SPA: Single Page Application
SPF: Sender Policy Framework
SPI: Serial Peripheral Interface
SPI: Stateful Packet Inspection
SPARC: Scalable Processor Architecture
SQL: Structured Query Language
SRAM: Static Random Access Memory
SSA: Static Single Assignment
SSD: Software Specification Document
SSD: Solid-State Drive
SSDP: Simple Service Discovery Protocol
SSE: Streaming SIMD Extensions
SSH: Secure Shell
SSI: Server Side Includes
SSI: Single-System Image
SSI: Small-Scale Integration
SSID: Service Set Identifier
SSL: Secure Socket Layer
SSP: Supplementary Special-purpose Plane
SSSE: Supplementary Streaming SIMD Extensions
SSSP: Single Source Shortest Path
SSTP: Secure Socket Tunneling Protocol
su: superuser
SUS: Single UNIX Specification
SUSE: Software und System-Entwicklung
SVC: Scalable Video Coding
SVG: Scalable Vector Graphics
SVGA: Super Video Graphics Array
SVD: Structured VLSI Design
SWF: Shock Wave Flash
SWT: Standard Widget Toolkit
Sysop: System operator
T
TAO: Track-At-Once
TAPI: Telephony Application Programming Interface
TASM: Turbo ASseMbler
TB: TeraByte
Tcl: Tool Command Language
TCP: Transmission Control Protocol
TCP/IP: Transmission Control Protocol/Internet Protocol
TCU: Telecommunication Control Unit
TDMA: Time Division Multiple Access
TFT: Thin Film Transistor
TFTP: Trivial File Transfer Protocol
TI: Texas Instruments
TLA: Three-Letter Acronym
TLD: Top-Level Domain
TLS: Thread-Local Storage
TLS: Transport Layer Security
TLV: Type-length-value
tmp: temporary
TNC: Terminal Node Controller
TNC: Threaded Neill-Concelman connector
TPF: Transaction Processing Facility
TPM: Trusted Platform Module
TROFF: Trace Off
TRON: Trace On
TRON: The Real-time Operating system Nucleus
TRSDOS: Tandy Radio Shack—Disk Operating System
TSO: Time Sharing Option
TSP: Traveling Salesman Problem
TSR: Terminate and Stay Resident
TTA: True Tap Audio
TTF: TrueType Font
TTL: Transistor-Transistor Logic
TTL: Time To Live
TTS: Text-to-Speech
TTY: Teletype
TUCOWS: The Ultimate Collection of Winsock Software
TUG: TeX Users Group
TWAIN: Technology Without An Interesting Name
U
UAAG: User Agent Accessibility Guidelines
UAC: User Account Control
UART: Universal Asynchronous Receiver/Transmitter
UAT: User Acceptance Testing
UCS: Universal Character Set
UDDI: Universal Description, Discovery, and Integration
UDMA: Ultra DMA
UDP: User Datagram Protocol
UEFI: Unified Extensible Firmware Interface
UHF: Ultra High Frequency
UI: User Interface
UL: Upload
ULA: Uncommitted Logic Array
UMA: Upper Memory Area
UMB: Upper Memory Block
UML: Unified Modeling Language
UML: User-Mode Linux
UMPC: Ultra-Mobile Personal Computer
UMTS: Universal Mobile Telecommunications System
UNC: Universal Naming Convention
UPS: Uninterruptible Power Supply
URI: Uniform Resource Identifier
URL: Uniform Resource Locator
URN: Uniform Resource Name
USB: Universal Serial Bus
usr: user
USR: U.S. Robotics
UTC: Coordinated Universal Time
UTF: Unicode Transformation Format
UTP: Unshielded Twisted Pair
UTRAN: Universal Terrestrial Radio Access Network
UUCP: Unix to Unix Copy
UUID: Universally Unique Identifier
UUN: Universal User Name
UVC: Universal Virtual Computer
UWP: Universal Windows Platform
UX: User Experience
V
var: variable
VAX: Virtual Address eXtension
VCPI: Virtual Control Program Interface
VR: Virtual Reality
VRML: Virtual Reality Modeling Language
VB: Visual Basic
VBA: Visual Basic for Applications
VBS: Visual Basic Script
VDM: Virtual DOS machine
VDSL: Very High Bitrate Digital Subscriber Line
VESA: Video Electronics Standards Association
VFAT: Virtual FAT
VHD : Virtual Hard Disk
VFS: Virtual File System
VG: Volume Group
VGA: Video Graphics Array
VHF: Very High Frequency
VLAN: Virtual Local Area Network
VLSM: Variable Length Subnet Mask
VLB: Vesa Local Bus
VLF: Very Low Frequency
VLIW: Very Long Instruction Word
VLSI: Very-Large-Scale Integration
VM: Virtual Machine
VM: Virtual Memory
VMM: Virtual Machine Monitor
VNC: Virtual Network Computing
VOD: Video On Demand
VoIP: Voice over Internet Protocol
VPN: Virtual Private Network
VPU: Visual Processing Unit
VSAM: Virtual Storage Access Method
VSAT: Very Small Aperture Terminal
VT: Video Terminal?
VTAM: Virtual Telecommunications Access Method
VRAM: Video Random Access Memory
W
W3C: World Wide Web Consortium
WWDC: Apple World Wide Developer Conference
WAFS: Wide Area File Services
WAI: Web Accessibility Initiative
WAIS: Wide Area Information Server
WAN: Wide Area Network
WAP: Wireless Access Point
WAP: Wireless Application Protocol
WASM: Watcom ASseMbler
WBEM: Web-Based Enterprise Management
WCAG: Web Content Accessibility Guidelines
WCF: Windows Communication Foundation
WDM: Wavelength-Division Multiplexing
WebDAV: WWW Distributed Authoring and Versioning
WEP: Wired Equivalent Privacy
WFI: Wait For Interrupt
WiFi: Wireless Fidelity
WiMAX: Worldwide Interoperability for Microwave Access
WinFS: Windows Future Storage
WinRT: Windows RunTime
WINS: Windows Internet Name Service
WLAN: Wireless Local Area Network
WMA: Windows Media Audio
WMI: Windows Management Instrumentation
WMV: Windows Media Video
WNS: Windows Push Notification Service
WOL: Wake-on-LAN
WOR: Wake-on-Ring
WORA: Write once, run anywhere
WORE: Write once, run everywhere
WPA: Wi-Fi Protected Access
WPAD: Web Proxy Autodiscovery Protocol
WPAN: Wireless Personal Area Network
WPF: Windows Presentation Foundation
WS-D: Web Services-Discovery
WSDL: Web Services Description Language
WSFL: Web Services Flow Language
WUSB: Wireless Universal Serial Bus
WWAN: Wireless Wide Area Network
WWID: World Wide Identifier
WWN: World Wide Name
WWW: World Wide Web
WYSIWYG: What You See Is What You Get
WZC: Wireless Zero Configuration
X
XAG: XML Accessibility Guidelines
XAML: eXtensible Application Markup Language
XDM: X Window Display Manager
XDMCP: X Display Manager Control Protocol
XCBL: XML Common Business Library
XHTML: eXtensible Hypertext Markup Language
XILP: X Interactive ListProc
XML: eXtensible Markup Language
XMMS: X Multimedia System
XMPP: eXtensible Messaging and Presence Protocol
XMS: Extended Memory Specification
XNS: Xerox Network Systems
XP: Cross-Platform
XP: Extreme Programming
XPCOM: Cross Platform Component Object Model
XPI: XPInstall
XPIDL: Cross-Platform IDL
XPS: XML Paper Specification
XSD: XML Schema Definition
XSL: eXtensible Stylesheet Language
XSL-FO: eXtensible Stylesheet Language Formatting Objects
XSLT: eXtensible Stylesheet Language Transformations
XSS: Cross-Site Scripting
XTF: eXtensible Tag Framework
XTF: eXtended Triton Format
XUL: XML User Interface Language
XVGA: Extended Video Graphics Adapter
Y
Y2K: Year Two Thousand
YAAF: Yet Another Application Framework
YACC: Yet Another Compiler Compiler
YAML: YAML Ain’t Markup Language
YaST: Yet another Setup Tool
Z
ZCAV: Zone Constant Angular Velocity
ZCS: Zero Code Suppression
ZIF: Zero Insertion Force
ZIFS: Zero Insertion Force Socket
ZISC: Zero Instruction Set Computer
ZOI: Zero One Infinity
ZOPE: Z Object Publishing Environment
ZMA: Zone Multicast Address
ZPL: Z level Programming Language
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