Modifies the characteristics of one or more files.
    See the qualifier descriptions for restrictions.
    For help about the RMS Journaling SET FILE commands, read the
    following subtopics:
    o  /AI_JOURNAL - Marks one or more RMS files for after-image
       journaling.
    o  /BI_JOURNAL - Marks one or more RMS files for before-image
       journaling.
    o  /RU_ACTIVE - Designates the recoverable facility that controls
       active recovery units for the file.
    o  /RU_FACILITY - Allows you to identify the recoverable facility
       that controls active recovery units on the file.
    o  /RU_JOURNAL - Marks an RMS file for recovery unit journaling.
    Format
      SET FILE  filespec[,...]
Additional Information:
explode
extract