halt(8)

NAME

   halt, poweroff, reboot - Halt, power-off or reboot the machine

SYNOPSIS

   halt [OPTIONS...]

   poweroff [OPTIONS...]

   reboot [OPTIONS...]

DESCRIPTION

   halt, poweroff, reboot may be used to halt, power-off or reboot the
   machine.

OPTIONS

   The following options are understood:

   --help
       Print a short help text and exit.

   --halt
       Halt the machine, regardless of which one of the three commands is
       invoked.

   -p, --poweroff
       Power-off the machine, regardless of which one of the three
       commands is invoked.

   --reboot
       Reboot the machine, regardless of which one of the three commands
       is invoked.

   -f, --force
       Force immediate halt, power-off, reboot. Do not contact the init
       system.

   -w, --wtmp-only
       Only write wtmp shutdown entry, do not actually halt, power-off,
       reboot.

   -d, --no-wtmp
       Do not write wtmp shutdown entry.

   -n, --no-sync
       Don't sync hard disks/storage media before halt, power-off, reboot.

   --no-wall
       Do not send wall message before halt, power-off, reboot.

EXIT STATUS

   On success, 0 is returned, a non-zero failure code otherwise.

NOTES

   These are legacy commands available for compatibility only.

SEE ALSO

   systemd(1), systemctl(1), shutdown(8), wall(1)

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Free and Open Source Software