Command (Unix)

Short description: Unix shell builtin

commandOperating system| Unix and Unix-like

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Type| Command

The command command in Unix and Unix-like operating systems is a utility to execute a command. It is specified in the POSIX standard. It is present in Unix shells as a shell builtin function. The argument(s) passed is a command with its arguments. The passed command is run with the normal shell function lookup suppressed.

## Examples

In the following, the `ls` command is run without any shell functions or aliases that may exist with the same name:

$ command ls

## See also

* List of Unix commands

## External links

* `command` – Commands & Utilities Reference, The Single UNIX Specification, Issue 7 from The Open Group

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Unix command-line interface programs and shell builtins

File system|

* cat
* chmod
* chown
* chgrp
* cksum
* cmp
* cp
* dd
* du
* df
* file
* fuser
* ln
* ls
* mkdir
* mv
* pax
* pwd
* rm
* rmdir
* split
* tee
* touch
* type
* umask

Processes|

* at
* bg
* crontab
* fg
* kill
* nice
* ps
* time

User environment|

* env
* exit
* logname
* mesg
* talk
* tput
* uname
* who
* write

Text processing|

* awk
* basename
* comm
* csplit
* cut
* diff
* dirname
* ed
* ex
* fold
* head
* iconv
* join
* m4
* more
* nl
* paste
* patch
* printf
* sed
* sort
* strings
* tail
* tr
* uniq
* vi
* wc
* xargs

Shell builtins|

* alias
* cd
* echo
* test
* unset
* wait

Searching|

* find
* grep

Documentation|

* man

Software development|

* ar
* ctags
* lex
* make
* nm
* strip
* yacc

Miscellaneous|

* bc
* cal
* expr
* lp
* od
* sleep
* true and false

* Categories
* Standard Unix programs
* Unix SUS2008 utilities
* List

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