lastlog: unexpected argument: foo
Usage: lastlog [options]

Options:
  -b, --before DAYS             print only lastlog records older than DAYS
  -h, --help                    display this help message and exit
  -R, --root CHROOT_DIR         directory to chroot into
  -t, --time DAYS               print only lastlog records more recent than DAYS
  -u, --user LOGIN              print lastlog record of the specified LOGIN

