/SHOW=(keyword-list)

    Controls whether or not the following information about the
    decryption operation is displayed on SYS$COMMAND:

    Keyword        Meaning

    FILES          Displays input and output file names on
                   SYS$COMMAND
    STATISTICS     Displays the encryption stream statistics:

                   o  Bytes processed

                   o  Internal records processed

                   o  CPU time consumed within the encryption
                      algorithm