File: coreutils.info, Node: whoami invocation, Next: groups invocation, Prev: logname invocation, Up: User information 20.3 `whoami': Print effective user ID ====================================== `whoami' prints the user name associated with the current effective user ID. It is equivalent to the command `id -un'. The only options are `--help' and `--version'. *Note Common options::. An exit status of zero indicates success, and a nonzero value indicates failure.