halt, poweroff, reboot — Halt, power-off or reboot the machine
halt [OPTIONS...]
poweroff [OPTIONS...]
reboot [OPTIONS...]
The following options are understood:
--help
Prints a short help text and exits.
--halt
Halt the machine, regardless which one of the three commands is invoked.
-p
, --poweroff
Power-off the machine, regardless which one of the three commands is invoked.
--reboot
Reboot the machine, regardless which one of the three commands is invoked.
-f
, --force
Force immediate halt, power-off, reboot. Don't contact the init system.
-w
, --wtmp-only
Only write wtmp shutdown entry, don't actually halt, power-off, reboot.
-d
, --no-wtmp
Don't write wtmp shutdown entry.
-n
, --no-sync
Don't sync hard disks/storage media before halt, power-off, reboot.
--no-wall
Don't send wall message before halt, power-off, reboot.