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Command: which | Section: 1 | Source: OpenBSD | File: which.1
WHICH(1) FreeBSD General Commands Manual WHICH(1)
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.
FreeBSD 14.1-RELEASE-p8 January 14, 2016 FreeBSD 14.1-RELEASE-p8