.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 .