/UNITS=keyword
    Allows you to override the current default specified by SET
    PROCESS/UNITS so that you can display memory in your choice of
    blocks or bytes.
    Keyword options are:
    Option       Description
    BLOCKS       Displays memory in blocks (equivalent to PAGES).
    BYTES        Displays memory in bytes.
    PAGES        Displays memory in page format (equivalent to
                 BLOCKS).