리눅스 command

  다른 뜻에 대해서는 Command 패턴 문서를 참조하십시오.

  다른 뜻에 대해서는 명령어 문서를 참조하십시오.

1 개요

리눅스 command

• 명령어를 실행하는 명령어
• Bash 빌트인 명령어 중 하나

root@zetawiki:~# type command
command is a shell builtin

root@zetawiki:~# command --help
command: command [-pVv] command [arg ...]
    Execute a simple command or display information about commands.

    Runs COMMAND with ARGS suppressing  shell function lookup, or display
    information about the specified COMMANDs.  Can be used to invoke commands
    on disk when a function with the same name exists.

    Options:
      -p    use a default value for PATH that is guaranteed to find all of
            the standard utilities
      -v    print a description of COMMAND similar to the `type' builtin
      -V    print a more verbose description of each COMMAND

    Exit Status:
    Returns exit status of COMMAND, or failure if COMMAND is not found.

root@zetawiki:~# command ls /var
backups  crash	local  log   opt  spool  www
cache	 lib	lock   mail  run  tmp
root@zetawiki:~# ls /var
backups  crash  local  log   opt  spool  www
cache    lib    lock   mail  run  tmp

root@zetawiki:~# command -v ls /var
alias ls='ls $LS_OPTIONS'
root@zetawiki:~# alias ls
alias ls='ls $LS_OPTIONS'

root@zetawiki:~# l /var
backups/  crash/  local/  log/   opt/  spool/  www/
cache/    lib/    lock@   mail/  run@  tmp/
root@zetawiki:~# command l /var
l: command not found

root@zetawiki:~# type ls
ls is aliased to `ls --color=auto'
root@zetawiki:~# which ls
/bin/ls
root@zetawiki:~# type l
l is aliased to `ls -CF'
root@zetawiki:~# which l
root@zetawiki:~#

2 같이 보기

• 쉘빌트인
• 리눅스 su
• 리눅스 exec
• 리눅스 type
• 리눅스 alias
• 리눅스 watch
• 리눅스 nohup
• 리눅스 chroot
• 리눅스 syntaxhighlight

3 참고

• http://ss64.com/bash/command.html