z/OS Enterprise Server Extensions Describes the Enterprise Server extensions designed to enhance usability, performance, and to allow more granular control.
Files and Data Sets This section provides introductory information on how MSS uses the following types of file: Project files, System catalog
files, User catalog files, Catalog files, Data set files, and Spool files
Catalog Maintenance Use the MFCATMNT utility to remove time expired dataset from the catalog.