/PDB_TYPE=keyword

    Specifies that a subset of the product database files is to be
    analyzed. By default, all database files referenced by the root
    database file PCSI$ROOT.PCSI$DATABASE are analyzed.

    Keywords are as follows:

    FILE_SYSTEM        Selects the PCSI$FILE_SYSTEM.PCSI$DATABASE
                       file for analysis.

    PROCESSOR          Selects the PCSI$PROCESSOR.PCSI$DATABASE file
                       for analysis.

    PRODUCT=(product-  Selects the product specific database files
    name[,...])        for the named products for analysis. Wildcard
                       characters are permitted in the product name.

    ROOT               Selects the PCSI$ROOT.PCSI$DATABASE file for
                       analysis.