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

root@zetawiki:~# command -v ls
alias ls='ls $LS_OPTIONS'
root@zetawiki:~# alias ls
alias ls='ls $LS_OPTIONS'
root@zetawiki:~# type ls
ls is aliased to `ls --color=auto'

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:~# which ls /bin/ls root@zetawiki:~# type l l is aliased to `ls -CF' root@zetawiki:~# which l root@zetawiki:~# </syntaxhighlight>

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