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32 .\" @(#)reboot.8 8.1 (Berkeley) 6/9/93
43 .Nd stopping and restarting the system
58 utilities flush the file system cache to disk, send all running processes
63 and, respectively, halt or restart the system.
64 The action is logged, including entering a shutdown record into the
68 The options are as follows:
69 .Bl -tag -width indent
71 The system is requested to create a crash dump. This option is
72 supported only when rebooting, and it has no effect unless a dump
73 device has previously been specified with
78 logged to the system log.
79 This option is intended for applications such as
85 and log this themselves.
87 The file system cache is not flushed.
88 This option should probably not be used.
90 The system is halted or restarted quickly and ungracefully, and only
91 the flushing of the file system cache is performed (if the
94 This option should probably not be used.
96 The system will turn off the power
98 This is of course likely to make
108 utilities are nothing more than aliases for the
116 utility is used when the system needs to be halted or restarted, giving
117 users advance warning of their impending doom and cleanly terminating