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


   halt [OPTIONS...]

   poweroff [OPTIONS...]

   reboot [OPTIONS...]


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


   The following options are understood:

       Print a short help text and exit.

       Halt the machine, regardless of which one of the three commands is

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

       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

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

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

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

       Do not send wall message before halt, power-off, reboot.


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


   These are legacy commands available for compatibility only.


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

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