faillog: invalid option -- 'Z'
Usage: faillog [options]

Options:
  -a, --all                     display faillog records for all users
  -h, --help                    display this help message and exit
  -l, --lock-secs SEC           after failed login lock account for SEC seconds
  -m, --maximum MAX             set maximum failed login counters to MAX
  -r, --reset                   reset the counters of login failures
  -R, --root CHROOT_DIR         directory to chroot into
  -t, --time DAYS               display faillog records more recent than DAYS
  -u, --user LOGIN/RANGE        display faillog record or maintains failure
                                counters and limits (if used with -r, -m,
                                or -l) only for the specified LOGIN(s)

