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 reboot(2)							   reboot(2)




 NAME
      reboot - boot the system

 SYNOPSIS
      #include <&lt&lt&lt;sys/reboot.h>&gt&gt&gt;

      int reboot (int howto);

 DESCRIPTION
      reboot() causes the system to reboot.  howto is a mask of reboot
      options (see <sys/reboot.h>), specified as follows:

	   RB_AUTOBOOT	       A file system sync is performed (unless
			       RB_NOSYNC is set) and the processor is
			       rebooted from the default device and file.

	   RB_HALT	       The processor is simply halted.	A sync of
			       the file system is performed unless the
			       RB_NOSYNC flag is set.  RB_HALT should be
			       used with caution.

	   RB_RECONFIG	       On systems with cellular architecture, all
			       cells in the partition are rebooted in order
			       to reconfigure the stable complex
			       configuration data.  On systems with non-
			       cellular architecture, the default is
			       RB_AUTOBOOT.  A sync of the file system is
			       performed unless the RB_NOSYNC flag is set.

	   RB_NORECONFIGBOOT   Shut down the system firmware to a "ready to
			       reconfigure" state and do not reboot.  This
			       option can be used only in combination with
			       RB_RECONFIG.

	   RB_NOSYNC	       A sync of the file system is not performed.

      Unless the RB_NOSYNC flag has been specified, reboot(2) unmounts all
      mounted file systems and marks them clean so that it will not be
      necessary to run fsck(1M) on these file systems when the system
      reboots.

      Only users with appropriate privileges can reboot a machine.

 RETURN VALUE
      If successful, this call never returns.  Otherwise, a -1 is returned
      and errno is set to indicate the error.

 ERRORS
      reboot() fails if this condition is encountered:





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






 reboot(2)							   reboot(2)




	   [EPERM]	       The effective user ID of the caller is not a
			       user with appropriate privileges.

 DEPENDENCIES
      The default file and device for RB_AUTOBOOT is /stand/vmunix on the
      current root device.

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

 SEE ALSO
      reboot(1M).









































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