Parameters must be specified with DISKGEN.

Syntax: DISKGEN </options> <system> <input package file>
<destination> <source_directory>

</options>: Must be prefaced with a / and can be in any order.
         For example, /ua.
         a    Appends the directory specified in the PWS keywords
              of FILE entries to the <source_directory> when searching
              for files.
         d    Deletes the source files from the <source_directory> after

              transfer.
         u    Updates the package file and produces an output package file

              in the <source_directory>.

<system>: Valid values are "MVS", "VM", or "DRIVE".

<input package file>: The PWS file name of the package file to
        be updated or used for the sending of files.

<destination>: If /d or /ud options are specified,
         <destination> is the host session or drive location to
         transfer the packed files to.
         The format is:
           MVS:   sessionid:datasetname  (b:pdfttst3.decandio)
           VM:    sessionid:mode         (b:a)
           DRIVE: drive:                 (a:)

<source_directory>: The workstation directory where the files
         specified in the input package file are located.
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