which Linux Command

which

which [options] [--] [commands]

List the full pathnames of the files that would be executed if the named commands had been run. which searches the user's $PATH environment variable.

Options

-a, --all
Print all matches, not just the first.

-i, --read-alias
Read aliases from standard input and write matches to standard output. Useful for using an alias for which.

--read-functions
Read shell functions from standard input and report matches to standard output. Useful for also using a shell function for which itself.

--skip-alias
Ignore --read-alias if present. Useful for finding normal binaries while using --read-alias in an alias for which.

--skip-dot
Skip directories that start with a dot.

--skip-functions
Ignore --read-functions if present. Useful when searching for normal binaries while using --read-functions in an alias or function for which.

--skip-tilde
Skip directories that start with a tilde (~) and executables in $HOME.

--show-dot
If a matching command is found in a directory that starts with a dot, print ./cmdname instead of the full pathname.

--show-tilde
Print a tilde (~) to indicate the user's home directory. Ignored if the user is root.

--tty-only
Stop processing options on the right if not on a terminal.

-v, -V, --version
Print version information and then exit.

--help
Print help information and then exit.

Example

$ which cc ls /usr/bin/cc ls: aliased to ls -sFC

Linux Commands 9/10/2017 08:19:00 pm