path-name

       Specifies the object you want to purge. The path name must
       include the name of a domain, record, procedure, or table. The
       path name cannot contain a version number or a semicolon. If you
       do not specify a path name, DEC DATATRIEVE purges all objects in
       your default dictionary directory. PURGE accepts both DMU and CDO
       style path names.

    ALL

       Purges all the definitions in the default dictionary directory.
       ALL is the default.

    KEEP [=] n

       Specifies the number of versions of each object you want to keep.
       The number must be greater than zero. The default is KEEP=1.