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 reboot(1M)							  reboot(1M)




 NAME
      reboot - reboot the system

 SYNOPSIS
      /usr/sbin/reboot [-h|-r] [-n|-s] [-q] [-t time] [-m message]

      /usr/sbin/reboot -R [-H] [-n|-s] [-q] [-t time] [-m message]

 DESCRIPTION
      The reboot command terminates all currently executing processes except
      those essential to the system, then reboots the system, or halts, or
      makes the partition ready for reconfig.  When invoked without
      arguments, reboot syncs all disks before rebooting the system.

    Options
      The reboot command recognizes the following options:

	   -h		  Shut down the system and halt.

	   -r		  Shut down the system and reboot automatically
			  (default).

	   -R		  Shut down the system to a ready to reconfig state
			  and reboot automatically.  This option is
			  available only on systems that support hardware
			  partitions.

	   -H		  Shut down the system to a ready to reconfig state
			  and do not reboot. This option can be used only in
			  combination with the -R option. This option is
			  available only on systems that support hardware
			  partitions.

	   -n		  Do not sync the file systems before shutdown.

	   -s		  Sync the file systems before shutdown; for file
			  systems that were cleanly mounted, modify the
			  fs_clean flag from FS_OK to FS_CLEAN (default).

	   -q		  Quick and quiet.  Suppress broadcast of warning
			  messages, terminate processes by brute force (with
			  SIGKILL) and immediately call reboot with
			  arguments as indicated by the other options (see
			  reboot(2)).  No logging is performed.	 The -t and
			  -m options are ignored with this option.

	   -t time	  Specify what time reboot will bring the system
			  down.	 time can be the word now (indicating
			  immediate shutdown) or a future time in one of two
			  formats: +number and hour:min.  The first form
			  brings the system down in number minutes; the



 Hewlett-Packard Company	    - 1 -   HP-UX Release 11i: November 2000






 reboot(1M)							  reboot(1M)




			  second brings the system down at the time of day
			  indicated (based on a 24-hour clock).

	   -m message	  Display message at the terminals of all users on
			  the system at decreasing intervals as reboot time
			  approaches.  The message must not contain any
			  embedded double quotes.

      At shutdown time a message is written in the file

	   /etc/shutdownlog

      (if it exists), containing the time of shutdown, who ran reboot, and
      the reason.

      Only users with appropriate privileges can execute the shutdown
      command.

 WARNINGS
      reboot does not invoke the shutdown scripts associated with subsystems
      to bring them down in a cautious manner. See shutdown(1M).

 AUTHOR
      reboot was developed by HP and the University of California, Berkeley.

 FILES
      /etc/shutdownlog		    Shutdown log

 SEE ALSO
      reboot(2).
























 Hewlett-Packard Company	    - 2 -   HP-UX Release 11i: November 2000