WHICH(1) - General Commands Manual #

WHICH(1) - General Commands Manual

NAME #

which - locate a program file (or files) in the path

SYNOPSIS #

which [-a] name …

DESCRIPTION #

which takes a list of names and looks for the files which would be executed had these names been given as commands. Each argument is searched for along the user’s path.

If the -a flag is given, which will return a list of all matches instead of just the first match.

ENVIRONMENT #

The following environment variables affect the execution of which:

PATH

A colon-separated list of directories in which to find executables. If PATH is not set or is empty, which will use the system’s default search path.

EXIT STATUS #

The which utility exits with one of the following values:

0

All names were successfully resolved.

1

Some names were resolved but not all.

2

No names were resolved.

DIAGNOSTICS #

A diagnostic is given if an executable file with the argument name was not found in the path.

SEE ALSO #

csh(1), find(1), locate(1), whereis(1), environ(7)

STANDARDS #

which also exists as a built-in to csh(1), though with a different syntax.

HISTORY #

A which command first appeared in 3.0BSD.

The -a option first appeared in OpenBSD 2.3.

OpenBSD 7.5 - January 14, 2016