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Home / Computing & IT / Unix

Computing & IT >> Unix Abbreviations

Look through 485 acronyms and abbreviations related to Unix:

FCNTL — file control
SYN — Synchronous
EM — emphasize
XML — Extensible Markup Language
FTP — File Transfer Protocol
GETTY — get tty
XENIX — Xenos Unix
ANSI — American National Standards Institute, Inc.
IRC — Internet Relay Chat
WWW — World Wide Web
UDP — User Datagram Protocol (FDDI related)
IP — Internet Protocol
STRCAT — string concatenate
NFS — Network File System
SMTP — Simple Mail Transfer Protocol
HTTP — Hypertext Transfer Protocol
STRCHR — string character
PCLOSE — process close
BSD — Berkeley Software Distribution
STRSTR — string string
SIGABRT — signal: abort
CR — Carriage Return
UNISTD.H — Unix standard
SCSI — Small Computer System Interface
RFC — Request For Comment
C — Center
DEC — Digital Equipment Corporation
EXECVE — execv with environment
ASCII — American National Standard Code for Information Interchange
TCP — Transmission Control Protocol
URL — Universal Resource Locator
STRCSPN — string character span
XARGS — extended arguments
NET — Network
DHCP — Dynamic Host Configuration Protocol
SLIP — Serial Line Interface Protocol
FPRINTF — file print formatted
MIL — Military
NIS — Network Information System
XDPR — X dump print
YACC — Yet Another Compiler-Compiler
SGML — Standard Generalized Markup Language
STRCPY — string copy
PNG — Portable Network Graphics (graphic file standard/extension)
ACK — Acknowledge (telecommunications; Cf. NAK)
RCS — Revision Control System
CC — C Compiler
ICMP — Internet Control Message Protocol
KBD — Keyboard
NBSP — Non-Breaking Space

STRSPN — string span
PS — PostScript
A — Anchor
PGP — Pretty Good Privacy (encryption)
OSI — Open Systems Interconnection (iso Standard)
RIP — Routing Information Protocol
YP — Yellow Pages
HD — Hard Disk
VALIGN — vertical alignment
ARP — Address Resolution Protocol (ATM)
MHS — Message Handling System (electronic)
DCE — Distributed Computing Environment
STRTOK — string tokenize
CVS — Concurrent Versions System
WC — Word Count
DIV — Division
RAID — Redundant Array of Inexpensive Disks
STRRCHR — string character
LPQ — Line Printer Queue
NL — New Line
AACUTE — A with accent acute
TCL — Tool Command Language
ORG — Organization
NIC — Network Information Center
EXECV — execute
IBM — International Business Machines Corporation
LF — Line Feed
SYNC — Synchronize
ETC — Et Cetera
QDAEMON — queue daemon
EXECVP — execv with path search
BRK — Break
USL — UNIX System Laboratories
DUP — Duplicate
RMDIR — Remove Directory
HALIGN — horizontal alignment
SNMP — Simple Network Management Protocol (ATM)
VARARGS.H — variable arguments
STRCMP — string compare
EXEC — Execute
REALLOC — re-allocate
CAN — Cancel
FSF — Free Software Foundation
SO — Shift-Out
C — Close
EOT — End Of Transmission
CAT — Concatenate
TMP — Temporary
PPP — Point-to-Point Protocol
I — Intermediate

PASSWD — Password
RFD — Request For Discussion
BG — Background
FS — File Separator
CMP — Compare
XMKMF — X make makefile
ALT — Alternative Lengthening of Telomeres
STDLIB.H — standard library
EXECLP — execl with path search
CRC — Contrôle de Redondance Cyclique (French: Cyclic Redundancy Check)
CALLOC — cleared allocation
MV — Move
BSH — Bourne Shell
NNTP — Network News Transfer Protocol
RCP — Remote Copy Protocol
BS — Backspace
GIF — Graphic Interchange Format
C — Cell
WM — Window Manager
TTT — Tic Tac Toe
TAR — Tape Archive
BEL — Bennett Environmental, Inc. (stock symbol; formerly the symbol for Bell Atlantic)
VAR — Variable
MWM — Motif Window Manager
XDM — X Display Manager
ERRNO — error number
STRPBRK — string pointer break
LS — Listing
BOOTP — Bootstrap Protocol
RLOGIN — Remote Login in Unix
GREP — Global Regular Expression Print
C — Century
TH — Table Header
TTY — Teletype Telex Machine
NTP — Network Time Protocol
PERL — Practical Extraction and Report Language
I — Italic
GOV — Government
PROF — Profile
MAN — Manual
C — Cent
SED — Stream Editor
D — Daemon
C — Cessna
SIGILL — signal: illegal instruction
PS — Process Status
C — Centum
MULTICS — Multiplexed Information and Computing System
FF — Form Feed
C — Centavo

U — Underline
AELIG — AE ligature
CXX — C File
SCANF — scan formatted
US — Unit Separator
SIGALRM — signal: alarm clock
CI — Check In
P — Paragraph
SI — Shift In
STX — Start of Text
STRLEN — string length
IOCTL — Input/Output Control
PPTP — Point-to-Point Tunneling Protocol
COM — Commercial
STDIO.H — Standard Input/Output Header
CD — Change Directory
ZIP — Ziv packer
OL — Ordered List
PDP — Programmed Data Processor
V — Version
SIGUSR1 — signal: user-defined signal 1
GS — Group Separator
LPC — Line Printer Control
SVR4 — System V Release 4 Unix
CDE — Common Desktop Environment
AIX — Advanced Interactive Executive (IBM)
STTY — set tty
JAVA — [not an acronym] A general purpose, high-level, object-oriented, cross-platform programming language developed by Sun Microsystems
B — Bold Text
TFTP — Trivial File Transfer Protocol (ATM)
HP — Hewlett Packard's
SO — Shared Object
CTIME — convert time
CTYPE.H — character types
LPRM — Line Printer Remove
CSH — C Shell Programming
RS — Record Separator
DIR — Directory
NAK — Negative Acknowledge
TGZ — tar gz
ETX — End of Text
LANG — language
LIB — Libra
ISATTY — is a tty
SIGHUP — signal: hangup
IMAP2 — Interim Mail Access Protocol, Version 2
SIGTSTP — Signal: terminal stop
EXECL — execute list
LS — List-Serv
SIGTTIN — signal: TTY input

TIFF — Tag Image File Format
OSF — Open Software Foundation
UNAME — Unix name
DAEMON — Disk And Execution Monitor
TCSH — Tenex C Shell
ACIRC — A with accent circonflexe
CCEDIL — C with cedille
EQN — Equation
SZLIG — sz ligature
LPD — Line Printer Daemon
SSCANF — string scan formatted
AWK — Aho, Weinberger, Kernighan
SPAM — not an acronym
SCCS — Source Code Control System
POPEN — process open
SU — Superuser
ENV — Environment
PAX — Portable Archive Exchange
LS — Language Specialist
KSH — Korn Shell Programming
SIGEMT — signal: EMT instruction
VT — Video Terminal
ATOF — ASCII to Float
FSCK — File System Check
LORDER — library order
LD — Library Loader
VI — Visual
DNS — Domain Name Server
HREF — Hypertext Reference
ATOB — ASCII to Binary
FTOK — file token
UCB — University of California at Berkeley's
BASH — Bourne Again Shell
IMG — Image
ARPA — Advanced Research Project Agency's
AGRAVE — A with accent grave
HT — Horizontal Tabulator
SAMP — Sample
TR — Table Row
COMM — Common
LI — List Item
RC — Run Commands (UNIX)
PUSHD — push directory
NOHUP — no hang-up
FG — Foreground
SIGTERM — signal: terminate
SINIX — Siemens Unix
R — Remote
CHDIR — Change Directory
PRINTF — Print Formatted

AS — Assembler
SAR — System Activity Report
SPRINTF — string print formatted
ETB — End of Transmission Block
RSH — Remote Shell
LP — Line Printer
DWARF — Debug with Arbitrary Record Format
ULIMIT — user's limit
CAL — Calendar
DLE — Data Link Escape
ELM — Electronic Mail for UNIX
ATOI — ASCII to Integer
SIGSEGV — signal: segmentation violation
PING — not an acronym
BIFF — not an acronym
UUCP — Unix-to-Unix communication protocol
DVI — device independant
EDU — Educational Institutions
A — Archive
SOH — Start Of Header
TERMCAP — TERMinal CAPability
DEV — Devices
BR — Break
SIGBUS — signal: bus error
SIGTTOU — signal: TTY output
SIGCHLD — Signal: child
ENQ — Enquiry
RCP — remote copy program
NUL — Null
CHOWN — Change Owner
TZ — Time Zone
AR — Archiver
FUSER — file user
TR — Translate
XFD — X Font Display
A/UX — Apple Unix
SUB — Substitute
PRE — Preformatted
TT — Teletype
STRTOL — string to long
G — GNU C Compiler
TERMINFO — Terminal Information
DIFF — Difference
DEL — Delete
SIGFPE — signal: floating point exception
FSCANF — file scan formatted
TBL — Table
EDU — Educational Development Unit
EDU — Educational Disadvantage Unit
PTY — pseudo tty

VIM — Vi Improved
U — User
DF — Disk Free
TEX — Tau Epsilon Chi
ROFF — run-off
SCO — Santa Cruz Operation, Inc.
RANLIB — random access library
UTMP — temporary file with user information
SRAND — seed random number generator
GZ — Gnu Zip
DC1 — Device Control 1
STDARG.H — standard arguments
IEEE — Institute of Electrical and Electronical Engineers
TNS — Transparent Network Substrate
SBIN — superuser binaries
MPEG — motion picture expert group
EXECLE — execl with environment
ISO — not an acronym
PR — prepare
QSORT — quick sort
TSH — Trusted shell
NOM — Nomenclature
UNIQ — Unique
PS1 — prompt string 1
LPR — Line Print
USR — Unix Shared Resources
ESAC — case
GNU — GNU is not Unix
FTW — File Tree Walk
ELF — Extensible Linking Format
CRON — Chronos
DIFF3 — differences of three files
SPC — Space
PCC — Portable C Compiler
ADB — advanced debugger
ED — Editorial Division
OCLOCK — O shaped clock
CHMOD — Change Mode
BIN — binaries
SRC — Source
IMAKE — interface to make
FSTAB — File System Table
EXPR — Expression
GLOB — Global
M4 — macro processor version 4
AUML — A with umlaut
JSH — job-control shell
EDU — Educational Organizations
HPUX — Hewlett-Packard Unix
LINT — not an acronym

EVAL — Evaluate
DU — Disk Usage
SIGURG — signal: urgent I/O condition
REGCMP — regular expression compile
DIRNAME — directory name
ED — Editorial Department
FTIO — fast tape input/output
CPIO — Copy In and Out
SZ — send Zmodem
SH — Shell
MKFS — Make File system
PINE — PINE Is Nearly Elm(Pine Internet News and E-mail)
NM — Names
CB — C-Beautifier
REC — Recreation (ground)
USENET — User's Network
PBM — Portable Bitmap
H — Header file
SPOOL — Simultaneous Peripheral Operation OnLine
RMT — Remote Magnetic Tape
SUB — Subscript
POVRAY — Persistence of Vision Raytracer
CP — Copy (Unix command)
XWUD — X window un-dump
REGEX — regular expression execute
RARP — Reverse ARP
RMT — Raw Magnetic Tape
O — object code
MALLOC — memory allocation
FMT — Format
EMACS — Escape Meta Alternate Control Shift
TCLSH — Tcl shell
Y — yacc
NN — No News
CHARGEN — character generator
SUP — Superscript
MINIX — miniature Unix
H — Header
SBRK — segment break
TSORT — topological sort
XRDB — X resource database
LN — Link
PICO — PINE Composer
EGREP — extended grep
RZ — Receive Z-modem
TEE — T pipe fitting
RSH — Restricted Shell
TK — Tcl-based Toolkit
MIME — Multi-Purpose Internet Mail Extensions
KMEM — kernel memory

NOBR — No break
S — server-parsed HTML
SDB — symbolic debugger
W3C — Word Wide Web Consortium
STDDEF.H — standard definitions
VT — Vertical tabulator
L — lex
PRS — Print Revision Summary
PRINTCAP — printer capability
BTOA — Binary to ASCII
SIGWINCH — Signal: window changed
JPEG — joint pictures expert group
WISH — windowing shell
MKNOD — make node
ESC — Escape
FD — file descriptors
TROFF — typesetter roff
SIGCONT — signal: continue
MOTD — motto of the day
LEX — Lexical Analyser
LD — Loader Domain
BC — better calculator
LS — List Show
BSEARCH — binary search
UL — Unsorted List
LPP — licensed program products
NAWK — New AWK
EMACS — Emacs makes any computer slow
RMAIL — restricted mail
H1 — Header 1
CHSH — change shell
ETH — ?
COM — Commercial Operations Management
C89 — 1989 C compiler
Z — ?
TELNET — TErminal over NETwork
UMASK — user's mask
SA — stub archive
RM — Remove
— archive
EX — extended editor
DL — Define List
VPRINTF — varargs print formatted
MEM — Memory
OD — Octal Dump
XPM — X Pixel Map
SHAR — SHell ARchive
INODE — Index Node
MVDIR — move directory
TAB — Tabulator

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