reboot(1M-BSD)    MISC. REFERENCE MANUAL PAGES     reboot(1M-BSD)



NAME
     reboot - restart the operating system

SYNOPSIS
     /usr/ucb/reboot [ -dnq ] [ boot arguments ]

DESCRIPTION
     reboot restarts the  kernel.   The  kernel  is  loaded  into
     memory  by  the PROM monitor, which transfers control to it.
     Although reboot can be run by the  privileged  user  at  any
     time,  shutdown(1M) is normally used first to warn all users
     logged  in  of  the  impending   loss   of   service.    See
     shutdown(1M)  for details.  reboot performs a sync(1) opera-
     tion on the disks, and then a multiuser reboot is initiated.
     See  init(1M)  for details.  reboot normally logs the reboot
     to the system log daemon, syslogd(1M), and places a shutdown
     record  in  the  login accounting file /var/adm/wtmp.  These
     actions are inhibited if the -n or -q options  are  present.
     The following options are available:

     -d   Dump system core before rebooting.  This option is pro-
          vided  for  compatibility,  but is not supported by the
          underlying reboot(3) call.

     -n   Avoid the sync(1).  It can be used if  a  disk  or  the
          processor is on fire.

     -q   Quick.  Reboots quickly and ungracefully, without first
          shutting down running processes.

     boot arguments
          These arguments are accepted for compatibility, but are
          ignored by reboot.  See boot(1M) for details.

  Power Fail and Crash Recovery
     Normally, the system will reboot itself at power-up or after
     crashes.

FILES
     /var/adm/wtmp       login accounting file

SEE ALSO
     halt(1M),  syslogd(1M),  reboot(3).    boot(8),   crash(1M),
     fsck(1M),  init(1M),  shutdown(1M),  sync(1M), in the System
     Administrator's Reference Manual.










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