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JOB_CONTROL is the VMS Job controller process. The job controller performs multiple functions for VMS:

  1. When a new terminal connection is detected the job controller creates a process attached to the terminal running LOGINOUT.EXE to initiate the login process.
  2. Processes all VMS requests to write accounting data to the system accounting file.
  3. Acts as the client communication to all VMS Queue Managers running in a cluster.
    1. Creates batch processes and symbiont processes on the local system.
    2. Notifies queue managers of their batch job completions on the local system.
    3. Creates queue manager processes for queue managers that are prioritized to run on the local system.
  4. Performs Standard Time and Daylight Saving Time clock adjustments.