NAME
which - locate a command
SYNOPSIS
which [-a] 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 |
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 |