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Options · 5
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
print all matching pathnames of each argument
- -s
silently return 0 if all of the executables were found or 1 otherwise
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