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Home / Computing & IT / Unix

Computing & IT >> Unix Abbreviations

Look through 485 acronyms and abbreviations related to Unix:

URL — Universal Resource Locator
FCNTL — file control
UNISTD.H — Unix standard
ANSI — American National Standards Institute, Inc.
GETTY — get tty
XML — Extensible Markup Language
FTP — File Transfer Protocol
IP — Internet Protocol
XENIX — Xenos Unix
ARP — Address Resolution Protocol (ATM)
IRC — Internet Relay Chat
ASCII — American National Standard Code for Information Interchange
UNAME — Unix name
PS — PostScript
CR — Carriage Return
DEC — Digital Equipment Corporation
ACK — Acknowledge (telecommunications; Cf. NAK)
WWW — World Wide Web
SYN — Synchronous
HTTP — Hypertext Transfer Protocol
PGP — Pretty Good Privacy (encryption)
IBM — International Business Machines Corporation
SMTP — Simple Mail Transfer Protocol
STDIO.H — Standard Input/Output Header
XARGS — extended arguments
SIGEMT — signal: EMT instruction
DHCP — Dynamic Host Configuration Protocol
RFC — Request For Comment
VALIGN — vertical alignment
NFS — Network File System
PNG — Portable Network Graphics (graphic file standard/extension)
EXECVE — execv with environment
XMKMF — X make makefile
XDPR — X dump print
EM — emphasize
HALIGN — horizontal alignment
VARARGS.H — variable arguments
QDAEMON — queue daemon
SLIP — Serial Line Interface Protocol
AACUTE — A with accent acute
EOT — End Of Transmission
CRC — Contrôle de Redondance Cyclique (French: Cyclic Redundancy Check)
UDP — User Datagram Protocol (FDDI related)
DIV — Division
STRCSPN — string character span
ULIMIT — user's limit
TCP — Transmission Control Protocol
MHS — Message Handling System (electronic)
BOOTP — Bootstrap Protocol
SCSI — Small Computer System Interface

BSD — Berkeley Software Distribution
GIF — Graphic Interchange Format
SNMP — Simple Network Management Protocol (ATM)
PPP — Point-to-Point Protocol
YACC — Yet Another Compiler-Compiler
KBD — Keyboard
MIL — Military
STRCHR — string character
STRCAT — string concatenate
ETC — Et Cetera
RAID — Redundant Array of Inexpensive Disks
RIP — Routing Information Protocol
RFD — Request For Discussion
ALT — Alternative Lengthening of Telomeres
OSI — Open Systems Interconnection (iso Standard)
CVS — Concurrent Versions System
C — Center
NL — New Line
STRSTR — string string
SGML — Standard Generalized Markup Language
ICMP — Internet Control Message Protocol
PERL — Practical Extraction and Report Language
NET — Network
ETX — End of Text
SIGURG — signal: urgent I/O condition
LANG — language
SIGABRT — signal: abort
RCS — Revision Control System
NIS — Network Information System
LF — Line Feed
DCE — Distributed Computing Environment
NNTP — Network News Transfer Protocol
NIC — Network Information Center
EXECVP — execv with path search
FSF — Free Software Foundation
FPRINTF — file print formatted
TCL — Tool Command Language
MAN — Manual
HP — Hewlett Packard's
PCLOSE — process close
STRSPN — string span
DAEMON — Disk And Execution Monitor
DNS — Domain Name Server
TTY — Teletype Telex Machine
BG — Background
A — Anchor
ORG — Organization
MV — Move
SO — Shift-Out
AELIG — AE ligature

NTP — Network Time Protocol
FSCK — File System Check
EXECLP — execl with path search
AIX — Advanced Interactive Executive (IBM)
CC — C Compiler
SIGUSR1 — signal: user-defined signal 1
CALLOC — cleared allocation
REALLOC — re-allocate
STRRCHR — string character
PPTP — Point-to-Point Tunneling Protocol
NBSP — Non-Breaking Space
CDE — Common Desktop Environment
VAR — Variable
DIR — Directory
BRK — Break
EXECV — execute
STDLIB.H — standard library
PASSWD — Password
ATOB — ASCII to Binary
OSF — Open Software Foundation
SPC — Space
DUP — Duplicate
YP — Yellow Pages
RMDIR — Remove Directory
SVR4 — System V Release 4 Unix
HREF — Hypertext Reference
CTYPE.H — character types
STTY — set tty
STRCMP — string compare
STRLEN — string length
GREP — Global Regular Expression Print
CAN — Cancel
TTT — Tic Tac Toe
EXEC — Execute
TFTP — Trivial File Transfer Protocol (ATM)
STRCPY — string copy
SIGHUP — signal: hangup
DEL — Delete
SIGTTOU — signal: TTY output
STRTOK — string tokenize
RCP — Remote Copy Protocol
C — Century
C — Close
CD — Change Directory
LIB — Libra
TAR — Tape Archive
CXX — C File
V — Version
EQN — Equation
ARPA — Advanced Research Project Agency's

EXECL — execute list
PDP — Programmed Data Processor
COMM — Common
IMG — Image
TIFF — Tag Image File Format
TMP — Temporary
WC — Word Count
BEL — Bennett Environmental, Inc. (stock symbol; formerly the symbol for Bell Atlantic)
USL — UNIX System Laboratories
SAMP — Sample
CHARGEN — character generator
MWM — Motif Window Manager
SYNC — Synchronize
DU — Disk Usage
HD — Hard Disk
RLOGIN — Remote Login in Unix
SI — Shift In
TK — Tcl-based Toolkit
SRAND — seed random number generator
SIGALRM — signal: alarm clock
ENQ — Enquiry
CMP — Compare
LPD — Line Printer Daemon
CAT — Concatenate
ETB — End of Transmission Block
SIGILL — signal: illegal instruction
XDM — X Display Manager
C — Cell
STX — Start of Text
A/UX — Apple Unix
VI — Visual
SCO — Santa Cruz Operation, Inc.
IOCTL — Input/Output Control
VT — Video Terminal
CI — Check In
SCCS — Source Code Control System
MEM — Memory
US — Unit Separator
WM — Window Manager
JAVA — [not an acronym] A general purpose, high-level, object-oriented, cross-platform programming language developed by Sun Microsystems
STRPBRK — string pointer break
LPR — Line Print
SOH — Start Of Header
GOV — Government
NAK — Negative Acknowledge
COM — Commercial
BSH — Bourne Shell
UUCP — Unix-to-Unix communication protocol
DEV — Devices
SCANF — scan formatted

KSH — Korn Shell Programming
SIGTSTP — Signal: terminal stop
SIGTTIN — signal: TTY input
LS — Listing
ERRNO — error number
ATOF — ASCII to Float
GLOB — Global
CTIME — convert time
ELM — Electronic Mail for UNIX
CAL — Calendar
CSH — C Shell Programming
ACIRC — A with accent circonflexe
SU — Superuser
TH — Table Header
SRC — Source
OL — Ordered List
ESC — Escape
B — Bold Text
SUB — Substitute
MULTICS — Multiplexed Information and Computing System
BIFF — not an acronym
LPQ — Line Printer Queue
DLE — Data Link Escape
FUSER — file user
NM — Names
DWARF — Debug with Arbitrary Record Format
I — Intermediate
FF — Form Feed
PTY — pseudo tty
CRON — Chronos
EVAL — Evaluate
AWK — Aho, Weinberger, Kernighan
ATOI — ASCII to Integer
PRINTF — Print Formatted
BASH — Bourne Again Shell
PING — not an acronym
U — Underline
A — Archive
SIGCHLD — Signal: child
PCC — Portable C Compiler
FS — File Separator
RSH — Remote Shell
REC — Recreation (ground)
DC1 — Device Control 1
W3C — Word Wide Web Consortium
BR — Break
C — Cent
UCB — University of California at Berkeley's
SINIX — Siemens Unix
SPAM — not an acronym

LPC — Line Printer Control
LPRM — Line Printer Remove
C — Centavo
DIFF — Difference
GZ — Gnu Zip
DF — Disk Free
UTMP — temporary file with user information
CPIO — Copy In and Out
SH — Shell
FMT — Format
LORDER — library order
TZ — Time Zone
TNS — Transparent Network Substrate
LINUX — from Linus
R — Remote
NOM — Nomenclature
NOHUP — no hang-up
SIGTERM — signal: terminate
TR — Translate
PAX — Portable Archive Exchange
SAR — System Activity Report
G — GNU C Compiler
EDU — Educational Organizations
DIRNAME — directory name
ADB — advanced debugger
EXPR — Expression
BSEARCH — binary search
M4 — macro processor version 4
SO — Shared Object
HPUX — Hewlett-Packard Unix
SIGIO — Signal: input/output
CHMOD — Change Mode
TSH — Trusted shell
UNIQ — Unique
FTIO — fast tape input/output
AUML — A with umlaut
HT — Horizontal Tabulator
CHGRP — Change Group
MINIX — miniature Unix
CHSH — change shell
POVRAY — Persistence of Vision Raytracer
ID — Identity
COM — Commercial Operations Management
POPEN — process open
EXECLE — execl with environment
EGREP — extended grep
FSTAB — File System Table
USENET — User's Network
MPEG — motion picture expert group
XRDB — X resource database

IEEE — Institute of Electrical and Electronical Engineers
XFD — X Font Display
TEX — Tau Epsilon Chi
REGEX — regular expression execute
TELNET — TErminal over NETwork
LP — Line Printer
JSH — job-control shell
BTOA — Binary to ASCII
LD — Library Loader
TBL — Table
PRS — Print Revision Summary
GNU — GNU is not Unix
TEE — T pipe fitting
TERMCAP — TERMinal CAPability
PR — prepare
VT — Vertical tabulator
LEX — Lexical Analyser
SZ — send Zmodem
DVI — device independant
PINE — PINE Is Nearly Elm(Pine Internet News and E-mail)
C89 — 1989 C compiler
RCP — remote copy program
FSCANF — file scan formatted
STDARG.H — standard arguments
FC — Fix Command
USR — Unix Shared Resources
PBM — Portable Bitmap
H — Header
SPRINTF — string print formatted
RANLIB — random access library
SIGCONT — signal: continue
XON — Transmission On
SPOOL — Simultaneous Peripheral Operation OnLine
ISO — not an acronym
NN — No News
STRTOL — string to long
MALLOC — memory allocation
RMT — Remote Magnetic Tape
TSORT — topological sort
DBX — Extended Debugger
RM — Remove
LPP — licensed program products
ELF — Extensible Linking Format
MOTD — motto of the day
DIFF3 — differences of three files
SDB — symbolic debugger
TERMINFO — Terminal Information
LS — Language Specialist
PS1 — prompt string 1
STDDEF.H — standard definitions

EMACS — Emacs makes any computer slow
H — Header file
LD — Loader Domain
U — User
EX — extended editor
ED — Editorial Division
XMP — example
RZ — Receive Z-modem
— archive
WISH — windowing shell
KMEM — kernel memory
ED — Editorial Department
SIGWINCH — Signal: window changed
WALL — write all
EMACS — Escape Meta Alternate Control Shift
XWUD — X window un-dump
PICO — PINE Composer
IMAKE — interface to make
SUB — Subscript
REGCMP — regular expression compile
DC — Desk Calculator
OCLOCK — O shaped clock
H1 — Header 1
SYSV — System V
TAB — Tabulator
RFO — request for opinions
LHARC — Lempl-Huffman archiver
SIGSYS — Signal: system call
NAWK — New AWK
JPEG — joint pictures expert group
S — server-parsed HTML
POPD — pop directory
O — object code
MVDIR — move directory
SBIN — superuser binaries
XWD — X Window Dump
ETH — ?
LOGNAME — log-in name
PRE — Preformatted
CO — Check-Out
MIME — Multi-Purpose Internet Mail Extensions
L — lex
TD — Table Data
SHAR — SHell ARchive
SA — stub archive
INODE — Index Node
RMT — Raw Magnetic Tape
DD — dictionary definition
RARP — Reverse ARP
Y — yacc

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