OPTIONS

The following options are understood:

--help

Print a short help text and exit.

--no-wall

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

The following commands are understood:

0

Power-off the machine. This is translated into an activation request for poweroff.target and is equivalent to systemctl poweroff.

6

Reboot the machine. This is translated into an activation request for reboot.target and is equivalent to systemctl reboot.

2, 3, 4, 5

Change the SysV runlevel. This is translated into an activation request for runlevel2.target, runlevel3.target, ... and is equivalent to systemctl isolate runlevel2.target, systemctl isolate runlevel3.target, ...

1, s, S

Change into system rescue mode. This is translated into an activation request for rescue.target and is equivalent to systemctl rescue.

q, Q

Reload daemon configuration. This is equivalent to systemctl daemon-reload.

u, U

Serialize state, reexecute daemon and deserialize state again. This is equivalent to systemctl daemon-reexec.

EXIT STATUS

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

NOTES

This is a legacy command available for compatibility only. It should not be used anymore, as the concept of runlevels is obsolete.

SEE ALSO

systemd(1), systemctl(1), wall(1)