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+.\" Copyright (c) 1990, 1991, 1993
+.\"	The Regents of the University of California.  All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"	This product includes software developed by the University of
+.\"	California, Berkeley and its contributors.
+.\" 4. Neither the name of the University nor the names of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\"	@(#)reboot.8	8.1 (Berkeley) 6/9/93
+.\"
+.Dd June 9, 1993
+.Dt REBOOT 8
+.Os
+.Sh NAME
+.Nm reboot ,
+.Nm halt
+.Nd
+stopping and restarting the system
+.Sh SYNOPSIS
+.Nm halt
+.Op Fl nq
+.Nm reboot
+.Op Fl nq
+.Sh DESCRIPTION
+The
+.Nm halt
+and
+.Nm reboot
+utilities flush the file system cache to disk, send all running processes
+a SIGTERM (and subsequently a SIGKILL) and, respectively, halt or restart
+the system.
+The action is logged, including entering a shutdown record into the login
+accounting file.
+.Pp
+The options are as follows:
+.Bl -tag -width Ds
+.It Fl n
+If the
+.Fl n
+option is specified,
+the file system cache is not flushed.
+This option should probably not be used.
+.It Fl q
+If the
+.Fl q
+option is specified,
+the system is halted or restarted quickly and ungracefully, and only
+the flushing of the file system cache is performed.
+This option should probably not be used.
+.El
+.Pp
+Normally, the
+.Xr shutdown 8
+utility is used when the system needs to be halted or restarted, giving
+users advance warning of their impending doom.
+.Sh SEE ALSO
+.Xr sync 1 ,
+.Xr utmp 5 ,
+.Xr boot 8 ,
+.Xr shutdown 8
+.Sh HISTORY
+A
+.Nm reboot
+command appeared in
+.At v6 .