# man > which.debianutils(1)

[_WHICH_(1)](https://www.chedong.com/phpMan.php/man/WHICH/1/markdown)                               General Commands Manual                              [_WHICH_(1)](https://www.chedong.com/phpMan.php/man/WHICH/1/markdown)

## NAME
       which - locate a command

## SYNOPSIS
       which [-as] filename ...

## DESCRIPTION
       **which  **returns  the  pathnames of the files (or links) which would be executed in the current
       environment, had its arguments been given as commands in a strictly  POSIX-conformant  shell.
       It  does this by searching the PATH for executable files matching the names of the arguments.
       It does not canonicalize path names.

## OPTIONS
### -a     

### -s     

## EXIT STATUS
       **0      **if all specified commands are found and executable

       **1      **if one or more specified commands is nonexistent or not executable

       **2      **if an invalid option is specified

Debian                                       29 Jun 2016                                    [_WHICH_(1)](https://www.chedong.com/phpMan.php/man/WHICH/1/markdown)