1 .\" $NetBSD: boot.9,v 1.2 1996/09/24 07:01:26 ghudson Exp $
4 .\" Mike Pritchard. All rights reserved.
6 .\" Copyright (c) 1994 Christopher G. Demetriou
7 .\" All rights reserved.
9 .\" Redistribution and use in source and binary forms, with or without
10 .\" modification, are permitted provided that the following conditions
12 .\" 1. Redistributions of source code must retain the above copyright
13 .\" notice, this list of conditions and the following disclaimer.
14 .\" 2. Redistributions in binary form must reproduce the above copyright
15 .\" notice, this list of conditions and the following disclaimer in the
16 .\" documentation and/or other materials provided with the distribution.
17 .\" 3. All advertising materials mentioning features or use of this software
18 .\" must display the following acknowledgement:
19 .\" This product includes software developed by Christopher G. Demetriou
20 .\" for the NetBSD Project.
21 .\" 3. The name of the author may not be used to endorse or promote products
22 .\" derived from this software without specific prior written permission
24 .\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
25 .\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
26 .\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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35 .\" $FreeBSD: src/share/man/man9/boot.9,v 1.4.2.2 2001/12/17 11:30:18 ru Exp $
36 .\" $DragonFly: src/share/man/man9/boot.9,v 1.3 2007/04/07 20:19:52 swildner Exp $
43 .Nd halt or reboot the system
53 function handles final system shutdown, and either halts or reboots
54 the system. The exact action to be taken is determined by the
57 and by whether or not the system has finished autoconfiguration.
59 If the system has finished autoconfiguration,
62 .Bl -enum -offset indent
64 If this is the first invocation of
70 syncs and unmounts the system disks by calling
71 .Xr vfs_unmountall 9 .
75 If rebooting after a crash (i.e. if
81 is not), saves a system crash dump.
83 Runs any shutdown hooks previously registered with
84 .Xr EVENTHANDLER_REGISTER 9 .
86 Prints a message indicating that the system is about to be halted
94 Otherwise, reboots the system.
97 If the system has not finished autoconfiguration,
99 runs any shutdown hooks previously registered with
100 .Xr EVENTHANDLER_REGISTER 9 ,
101 prints a message, and halts the system.