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32 .\" @(#)reboot.8 8.1 (Berkeley) 6/9/93
33 .\" $FreeBSD: src/sbin/reboot/reboot.8,v 1.10.2.7 2003/02/23 22:42:10 trhodes Exp $
34 .\" $DragonFly: src/sbin/reboot/reboot.8,v 1.3 2005/08/01 03:49:17 swildner Exp $
44 .Nd stopping and restarting the system
63 utilities flush the file system cache to disk, send all running processes
68 and, respectively, halt or restart the system.
69 The action is logged, including entering a shutdown record into the
73 The options are as follows:
74 .Bl -tag -width indent
76 The system is requested to create a crash dump.
78 supported only when rebooting, and it has no effect unless a dump
79 device has previously been specified with
84 on the next system boot.
85 If the kernel boots successfully, the
87 kernel will be booted on successive boots, this is a one-shot option.
88 If the boot fails, the system will continue attempting to boot
90 until the boot process is interrupted and a valid kernel booted.
91 This may change in the future.
95 logged to the system log.
96 This option is intended for applications such as
102 and log this themselves.
104 The file system cache is not flushed.
105 This option should probably not be used.
107 The system is halted or restarted quickly and ungracefully, and only
108 the flushing of the file system cache is performed (if the
111 This option should probably not be used.
113 The system will turn off the power
115 This is of course likely to make
125 utilities are nothing more than aliases for the
133 utility is used when the system needs to be halted or restarted, giving
134 users advance warning of their impending doom and cleanly terminating