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Home / Computing & IT / Unix

Computing & IT >> Unix Abbreviations

Look through 485 acronyms and abbreviations related to Unix:

SYN — Synchronous
FCNTL — file control
FTP — File Transfer Protocol
GETTY — get tty
WWW — World Wide Web
IRC — Internet Relay Chat
XENIX — Xenos Unix
ANSI — American National Standards Institute, Inc.
STRCAT — string concatenate
UDP — User Datagram Protocol (FDDI related)
XML — Extensible Markup Language
EM — emphasize
NFS — Network File System
PCLOSE — process close
SIGABRT — signal: abort
HTTP — Hypertext Transfer Protocol
SMTP — Simple Mail Transfer Protocol
STRCHR — string character
IP — Internet Protocol
SCSI — Small Computer System Interface
CR — Carriage Return
C — Center
RFC — Request For Comment
STRSTR — string string
EXECVE — execv with environment
NIS — Network Information System
TCP — Transmission Control Protocol
UNISTD.H — Unix standard
NET — Network
MIL — Military
DEC — Digital Equipment Corporation
STRCSPN — string character span
DHCP — Dynamic Host Configuration Protocol
YACC — Yet Another Compiler-Compiler
SLIP — Serial Line Interface Protocol
CC — C Compiler
YP — Yellow Pages
SGML — Standard Generalized Markup Language
HD — Hard Disk
ASCII — American National Standard Code for Information Interchange
A — Anchor
STRSPN — string span
RCS — Revision Control System
ICMP — Internet Control Message Protocol
WC — Word Count
RIP — Routing Information Protocol
PNG — Portable Network Graphics (graphic file standard/extension)
KBD — Keyboard
PS — PostScript
STRTOK — string tokenize

DCE — Distributed Computing Environment
BSD — Berkeley Software Distribution
STRRCHR — string character
NBSP — Non-Breaking Space
XARGS — extended arguments
STRCPY — string copy
NL — New Line
SYNC — Synchronize
TCL — Tool Command Language
URL — Universal Resource Locator
CVS — Concurrent Versions System
SO — Shift-Out
ACK — Acknowledge (telecommunications; Cf. NAK)
CAN — Cancel
NIC — Network Information Center
ARP — Address Resolution Protocol (ATM)
DUP — Duplicate
RMDIR — Remove Directory
LF — Line Feed
USL — UNIX System Laboratories
EXEC — Execute
TMP — Temporary
CAT — Concatenate
OSI — Open Systems Interconnection (iso Standard)
FS — File Separator
DIV — Division
ORG — Organization
BRK — Break
FSF — Free Software Foundation
I — Intermediate
PGP — Pretty Good Privacy (encryption)
ETC — Et Cetera
EXECV — execute
CMP — Compare
VALIGN — vertical alignment
XDPR — X dump print
PASSWD — Password
BG — Background
C — Close
MV — Move
TAR — Tape Archive
WM — Window Manager
SNMP — Simple Network Management Protocol (ATM)
MHS — Message Handling System (electronic)
STRCMP — string compare
C — Cell
EXECVP — execv with path search
TTT — Tic Tac Toe
LS — Listing
EOT — End Of Transmission

REALLOC — re-allocate
AACUTE — A with accent acute
RFD — Request For Discussion
BS — Backspace
RCP — Remote Copy Protocol
XDM — X Display Manager
ALT — Alternative Lengthening of Telomeres
NNTP — Network News Transfer Protocol
I — Italic
BSH — Bourne Shell
C — Century
MWM — Motif Window Manager
FPRINTF — file print formatted
C — Cessna
GOV — Government
IBM — International Business Machines Corporation
PS — Process Status
LPQ — Line Printer Queue
EXECLP — execl with path search
CALLOC — cleared allocation
TH — Table Header
C — Centavo
VAR — Variable
STRPBRK — string pointer break
C — Cent
RAID — Redundant Array of Inexpensive Disks
PPP — Point-to-Point Protocol
C — Centum
CXX — C File
CRC — Contrôle de Redondance Cyclique (French: Cyclic Redundancy Check)
STDLIB.H — standard library
SI — Shift In
HALIGN — horizontal alignment
D — Daemon
FF — Form Feed
CI — Check In
SED — Stream Editor
GREP — Global Regular Expression Print
CD — Change Directory
V — Version
P — Paragraph
MULTICS — Multiplexed Information and Computing System
VARARGS.H — variable arguments
COM — Commercial
SCANF — scan formatted
QDAEMON — queue daemon
NTP — Network Time Protocol
B — Bold Text
PROF — Profile
MAN — Manual

SO — Shared Object
OL — Ordered List
US — Unit Separator
TTY — Teletype Telex Machine
LPC — Line Printer Control
IOCTL — Input/Output Control
STX — Start of Text
STDIO.H — Standard Input/Output Header
AELIG — AE ligature
BOOTP — Bootstrap Protocol
STRLEN — string length
GS — Group Separator
ERRNO — error number
XMKMF — X make makefile
LPRM — Line Printer Remove
ZIP — Ziv packer
SIGILL — signal: illegal instruction
SIGUSR1 — signal: user-defined signal 1
RS — Record Separator
STTY — set tty
PDP — Programmed Data Processor
PERL — Practical Extraction and Report Language
PPTP — Point-to-Point Tunneling Protocol
CTIME — convert time
CSH — C Shell Programming
CDE — Common Desktop Environment
GIF — Graphic Interchange Format
SIGALRM — signal: alarm clock
BEL — Bennett Environmental, Inc. (stock symbol; formerly the symbol for Bell Atlantic)
SIGTTIN — signal: TTY input
LS — Language Specialist
LS — List-Serv
SIGHUP — signal: hangup
DIR — Directory
SSCANF — string scan formatted
OSF — Open Software Foundation
SIGEMT — signal: EMT instruction
LD — Library Loader
TFTP — Trivial File Transfer Protocol (ATM)
CCEDIL — C with cedille
HP — Hewlett Packard's
AIX — Advanced Interactive Executive (IBM)
RLOGIN — Remote Login in Unix
LIB — Libra
ISATTY — is a tty
SAMP — Sample
UNAME — Unix name
POPEN — process open
SIGTSTP — Signal: terminal stop
AWK — Aho, Weinberger, Kernighan

TGZ — tar gz
PAX — Portable Archive Exchange
SCCS — Source Code Control System
JAVA — [not an acronym] A general purpose, high-level, object-oriented, cross-platform programming language developed by Sun Microsystems
CTYPE.H — character types
SZLIG — sz ligature
VI — Visual
PUSHD — push directory
IMAP2 — Interim Mail Access Protocol, Version 2
R — Remote
TR — Table Row
SU — Superuser
TCSH — Tenex C Shell
IMG — Image
UCB — University of California at Berkeley's
TIFF — Tag Image File Format
EXECL — execute list
LORDER — library order
FTOK — file token
LPD — Line Printer Daemon
CHDIR — Change Directory
FG — Foreground
VT — Video Terminal
DAEMON — Disk And Execution Monitor
HREF — Hypertext Reference
SINIX — Siemens Unix
NAK — Negative Acknowledge
LANG — language
HT — Horizontal Tabulator
ENV — Environment
ULIMIT — user's limit
SIGSEGV — signal: segmentation violation
LP — Line Printer
ETX — End of Text
KSH — Korn Shell Programming
ATOB — ASCII to Binary
DVI — device independant
SIGTERM — signal: terminate
AS — Assembler
EQN — Equation
ARPA — Advanced Research Project Agency's
SVR4 — System V Release 4 Unix
FSCK — File System Check
SAR — System Activity Report
ATOI — ASCII to Integer
AGRAVE — A with accent grave
SIGBUS — signal: bus error
DIFF — Difference
SPRINTF — string print formatted
ATOF — ASCII to Float

NUL — Null
BR — Break
EDU — Educational Disadvantage Unit
COMM — Common
ETB — End of Transmission Block
DF — Disk Free
DWARF — Debug with Arbitrary Record Format
RC — Run Commands (UNIX)
RSH — Remote Shell
EDU — Educational Institutions
G — GNU C Compiler
DNS — Domain Name Server
ELM — Electronic Mail for UNIX
BIFF — not an acronym
VIM — Vi Improved
U — Underline
PRE — Preformatted
EDU — Educational Development Unit
DLE — Data Link Escape
BASH — Bourne Again Shell
TZ — Time Zone
ACIRC — A with accent circonflexe
NOHUP — no hang-up
CAL — Calendar
DEV — Devices
A — Archive
SIGCHLD — Signal: child
ROFF — run-off
U — User
CHOWN — Change Owner
AR — Archiver
TERMCAP — TERMinal CAPability
QSORT — quick sort
SIGTTOU — signal: TTY output
SBIN — superuser binaries
RCP — remote copy program
SZ — send Zmodem
FUSER — file user
AUML — A with umlaut
RANLIB — random access library
UTMP — temporary file with user information
LI — List Item
UNIQ — Unique
TBL — Table
TT — Teletype
TR — Translate
USR — Unix Shared Resources
EDU — Educational Organizations
IEEE — Institute of Electrical and Electronical Engineers
TNS — Transparent Network Substrate

SIGFPE — signal: floating point exception
SOH — Start Of Header
SRAND — seed random number generator
EVAL — Evaluate
ENQ — Enquiry
DC1 — Device Control 1
IMAKE — interface to make
PS1 — prompt string 1
SCO — Santa Cruz Operation, Inc.
GLOB — Global
M4 — macro processor version 4
TEX — Tau Epsilon Chi
PR — prepare
OCLOCK — O shaped clock
A/UX — Apple Unix
PING — not an acronym
BIN — binaries
DEL — Delete
DIFF3 — differences of three files
POVRAY — Persistence of Vision Raytracer
SPC — Space
STDARG.H — standard arguments
NM — Names
STRTOL — string to long
MALLOC — memory allocation
SPAM — not an acronym
HPUX — Hewlett-Packard Unix
H — Header file
TSH — Trusted shell
FTW — File Tree Walk
CRON — Chronos
SUB — Subscript
SIGURG — signal: urgent I/O condition
SUB — Substitute
LN — Link
SH — Shell
PCC — Portable C Compiler
PINE — PINE Is Nearly Elm(Pine Internet News and E-mail)
ED — Editorial Division
TERMINFO — Terminal Information
REC — Recreation (ground)
JSH — job-control shell
TSORT — topological sort
GZ — Gnu Zip
Y — yacc
MKFS — Make File system
CHMOD — Change Mode
MOTD — motto of the day
XRDB — X resource database
EXECLE — execl with environment

XWUD — X window un-dump
FSTAB — File System Table
FTIO — fast tape input/output
UUCP — Unix-to-Unix communication protocol
EXPR — Expression
MIME — Multi-Purpose Internet Mail Extensions
PTY — pseudo tty
H — Header
LD — Loader Domain
PBM — Portable Bitmap
RMT — Remote Magnetic Tape
PRINTCAP — printer capability
REGCMP — regular expression compile
BTOA — Binary to ASCII
NOBR — No break
DIRNAME — directory name
LPR — Line Print
SIGWINCH — Signal: window changed
ISO — not an acronym
RMT — Raw Magnetic Tape
NN — No News
VT — Vertical tabulator
XFD — X Font Display
CB — C-Beautifier
ESAC — case
PRS — Print Revision Summary
TROFF — typesetter roff
MINIX — miniature Unix
BC — better calculator
DU — Disk Usage
SPOOL — Simultaneous Peripheral Operation OnLine
NOM — Nomenclature
SRC — Source
PICO — PINE Composer
ED — Editorial Department
RARP — Reverse ARP
RZ — Receive Z-modem
UL — Unsorted List
S — server-parsed HTML
CPIO — Copy In and Out
NAWK — New AWK
TK — Tcl-based Toolkit
FMT — Format
SA — stub archive
GNU — GNU is not Unix
LINT — not an acronym
LEX — Lexical Analyser
LS — List Show
FSCANF — file scan formatted
DL — Define List

TEE — T pipe fitting
PRINTF — Print Formatted
O — object code
RMAIL — restricted mail
L — lex
SUP — Superscript
ELF — Extensible Linking Format
ETH — ?
MPEG — motion picture expert group
— archive
CP — Copy (Unix command)
EGREP — extended grep
LPP — licensed program products
MEM — Memory
Z — ?
ADB — advanced debugger
TELNET — TErminal over NETwork
ESC — Escape
H1 — Header 1
CHSH — change shell
RM — Remove
INODE — Index Node
COM — Commercial Operations Management
SIGIO — Signal: input/output
TCLSH — Tcl shell
VPRINTF — varargs print formatted
C89 — 1989 C compiler
REGEX — regular expression execute
W3C — Word Wide Web Consortium
POPD — pop directory
STDDEF.H — standard definitions
UMASK — user's mask
JPEG — joint pictures expert group
TD — Table Data
NROFF — new roff
XPM — X Pixel Map
XON — Transmission On
SHAR — SHell ARchive
SIGCONT — signal: continue
DD — dictionary definition
KMEM — kernel memory
SIGSYS — Signal: system call
DC — Desk Calculator
SIGINT — signal: interruption
WALL — write all
FGREP — fixed-string grep
RSH — Restricted Shell
R — Raw
MKNOD — make node
USENET — User's Network

XBM — X BitMap Format
SYSV — System V
SBRK — segment break
IFS — internal field seperators
BSEARCH — binary search
DBX — Extended Debugger
LN — Link number
DT — Dictionary Term
CHGRP — Change Group
SDB — symbolic debugger
EMACS — Emacs makes any computer slow
OD — Octal Dump
WISH — windowing shell
CHARGEN — character generator
FD — Floppy Diskette
FD — file descriptors
LD — link editor
XWD — X Window Dump
EMACS — Escape Meta Alternate Control Shift
MVDIR — move directory
EX — extended editor
TAB — Tabulator
NL — number lines
ED — Editorial Decision
XOFF — Transmission Off
LINUX — from Linus
XMP — example
LHARC — Lempl-Huffman archiver
LOGNAME — log-in name
PWD — print work directory
ID — Identity
RMDEL — remove delta
CO — Check-Out
RFO — request for opinions
FC — Fix Command

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