The DIRECTORY command provides 7 different functions depending on the
 qualifiers used.
 Syntax:
    DIRECTORY/COMPRESS <file>
    Compresses one or more directories.

    DIRECTORY/DUMP <file>
    Provides a block level dump of a directory

    DIRECTORY/REBUILD_MFD <device>
    Recovers a corrupted MFD directory (000000.DIR)

    DIRECTORY/RECOVER <file>
    Recovers a corrupted directory

    DIRECTORY/ALIAS <device>
    Searches all directories on the device for alias file entries

    DIRECTORY/EMPTY <device>
    Searches the disk for empty directories.

    DIRECTORY/VERSION=n <device>
    Searches all directories on the device for files which
    have at least n versions.

 The qualifiers /ALIAS, /EMPTY, and /VERSION can be
 combined in one command.
 Other combinations of qualifiers are not possible.