halt.8

.Dd September 5, 2019
.Dt HALT 8
.Os Linux
.Sh NAME
.Nm halt ,
.Nm reboot ,
.Nm poweroff
.Nd stop the system
.Sh SYNOPSIS
.Nm halt
.Op Fl n
.Op Fl f
.Op Fl d
.Op Fl w
.Op Fl B
.Nm reboot
.Op Fl n
.Op Fl f
.Nm poweroff
.Op Fl n
.Op Fl f
.Sh DESCRIPTION
.Nm halt
/
.Nm reboot
/
.Nm poweroff
tells
.Xr init 8
to bring down, reboot, or power off the system.
Without
.Fl f ,
it is a shortcut for
.Nm init 0
/
.Nm init 6 .
.Bl -tag -width indent
.It Fl n
Don't sync before reboot or halt.
Note that the kernel and storage drivers may still sync.
.It Fl f
Force halt or reboot, don't call
.Xr init 8 .
This is
.Sy dangerous !
.It Fl d
Do not write the wtmp record.
.It Fl w
Just write the wtmp record.
.It Fl B
Just write the wtmp record, but for a boot.
.El
.Sh UNSUPPORTED OPTIONS
This version of
.Nm
is based on
.Xr runit 8 ,
the following features are
.Sy not
supported and silently ignored:
.Bl -tag -width indent
.It Fl h
to put hard drives in standby mode.
.It Fl i
to shut down network interfaces.
.El
.Sh SEE ALSO
.Xr init 8 ,
.Xr shutdown 8
.Sh AUTHOR
.An Leah Neukirchen ,
.Mt leah@vuxu.org .