On VAX, invokes the Patch utility, which patches an executable
    image, a shareable image, or a device driver image.

    For more information about the Patch utility, refer to the
    OpenVMS VAX Patch Utility Manual (available on the Documentation
    CD-ROM) or online help.

    Format

      PATCH  filespec

  Additional Information (explode) :

• Parameters
• Qualifiers
• Examples