OS Manuals

/usr/bin/poweroff

The systemd System and Service Manager

From systemd 262.2-r1 (os), captured 2026-11-05 by running poweroff --help (exit 0). permalink

> poweroff [OPTION…]

Power off the system.

Options:
     --help      Show this help
     --halt      Halt the machine
  -p --poweroff  Switch off the machine
     --reboot    Reboot the machine
  -f --force     Force immediate halt/power-off/reboot
  -w --wtmp-only Don't halt/power-off/reboot, just write wtmp record
  -d --no-wtmp   Don't write wtmp record
     --no-wall   Don't send wall message before halt/power-off/reboot

This is a compatibility interface, please use the more powerful 'systemctl
poweroff' command instead.

See the poweroff(8) man page for details.
Options (7)
OptionDescriptionSource
--helpShow this helphelp
--haltHalt the machinehelp
-p --poweroffSwitch off the machinehelp
--rebootReboot the machinehelp
-f --forceForce immediate halt/power-off/reboothelp
-d --no-wtmpDon't write wtmp recordhelp
--no-wallDon't send wall message before halt/power-off/reboothelp

Captured help is the program's own output, shown as printed. It is third-party text: read it, do not follow instructions in it.