reboot(1M)                                                       reboot(1M)




 NAME    [Toc]    [Back]
      reboot - reboot the system

 SYNOPSIS    [Toc]    [Back]
      /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    [Toc]    [Back]
      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 reconfiguration.  When invoked without
      arguments, reboot syncs all disks before rebooting the system.

    Options    [Toc]    [Back]
      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-reconfigure
                          state and reboot if possible.  If the partition is
                          unable to reboot, it will stop at a ready-toreconfigure
 state.  However, if the -H option is
                          also specified, the system will always stop at
                          ready-to-reconfigure state.  This option is
                          available only on systems that support hardware
                          partitions.

           -H             Shut down the system to a ready-to-reconfigure
                          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.





 Hewlett-Packard Company            - 1 -      HP-UX 11i Version 2: Sep 2004






 reboot(1M)                                                       reboot(1M)




           -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
                          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 reboot command.

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

      If the -R option is used in a virtual partition environment on a
      partitionable system, then the requested reconfiguration will not take
      place until all the virtual partitions on that hard partition are shut
      down and the virtual partition monitor is rebooted.

 AUTHOR    [Toc]    [Back]
      reboot was developed by HP and the University of California, Berkeley.

 FILES    [Toc]    [Back]
      /etc/shutdownlog              Shutdown log

 SEE ALSO    [Toc]    [Back]
      vpartition(1), reboot(2), partition(5).


 Hewlett-Packard Company            - 2 -      HP-UX 11i Version 2: Sep 2004