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.\" -*- nroff -*-
.TH WHICH 1 "29 Jun 2016" "Debian"
.SH NAME
which \- locate a command
.SH SYNOPSIS
which [\-a] filename ...
.SH DESCRIPTION
.B 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.
.SH OPTIONS
.TP
.B \-a
print all matching pathnames of each argument
.SH EXIT STATUS
.TP
.B 0
if all specified commands are found and executable
.TP
.B 1
if one or more specified commands is nonexistent or not executable
.TP
.B 2
if an invalid option is specified
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