< User:Johannbg | QA/Systemd
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
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.
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)