


      SHUTDOWN(1)                                           SHUTDOWN(1)



      NAME
           shutdown - terminate all processing

      SYNTAX
           /etc/shutdown

      DESCRIPTION
           Shutdown is part of the ROS System operation procedures.
           Its primary function is to terminate all currently running
           processes in an orderly and cautious manner.  The procedure
           is designed to interact with the operator (i.e., the person
           who invoked shutdown).  Shutdown may instruct the operator
           to perform some specific tasks, or to supply certain
           responses before execution can resume.  Shutdown goes
           through the following steps:

              All users logged on the system are notified to log off
              the system by a broadcasted message. The operator may
              display his/her own message at this time. Otherwise, the
              standard file save message is displayed.

              If the operator wishes to run the file-save procedure,
              shutdown unmounts all file systems.

              All file systems' super blocks are updated before the
              system is to be stopped (see sync(1)).  This must be done
              before re-booting the system, to insure file system
              integrity.  The most common error diagnostic that will
              occur is device busy.  This diagnostic happens when a
              particular file system could not be unmounted.

      SEE ALSO




















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