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28 .\" @(#)reboot.8 8.1 (Berkeley) 6/9/93
29 .\" $FreeBSD: src/sbin/reboot/reboot.8,v 1.10.2.7 2003/02/23 22:42:10 trhodes Exp $
30 .\" $DragonFly: src/sbin/reboot/reboot.8,v 1.3 2005/08/01 01:49:17 swildner Exp $
40 .Nd stopping and restarting the system
59 utilities flush the file system cache to disk, send all running processes
64 and, respectively, halt or restart the system.
65 The action is logged, including entering a shutdown record into the
69 The options are as follows:
70 .Bl -tag -width indent
72 The system is requested to create a crash dump.
74 supported only when rebooting, and it has no effect unless a dump
75 device has previously been specified with
80 on the next system boot.
81 If the kernel boots successfully, the
83 kernel will be booted on successive boots, this is a one-shot option.
84 If the boot fails, the system will continue attempting to boot
86 until the boot process is interrupted and a valid kernel booted.
87 This may change in the future.
91 logged to the system log.
92 This option is intended for applications such as
98 and log this themselves.
100 The file system cache is not flushed.
101 This option should probably not be used.
103 The system is halted or restarted quickly and ungracefully, and only
104 the flushing of the file system cache is performed (if the
107 This option should probably not be used.
109 The system will turn off the power
111 This is of course likely to make
121 utilities are nothing more than aliases for the
129 utility is used when the system needs to be halted or restarted, giving
130 users advance warning of their impending doom and cleanly terminating