halt

systemd
Developer Lennart Poettering lennart@poettering.net
halt 8
halt poweroff reboot Halt, power-off or reboot the machine
`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