WHICH(1) - General Commands Manual #
WHICH(1) - General Commands Manual
NAME #
which - locate a program file (or files) in the path
SYNOPSIS #
which [-a] nameĀ …
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