Comparing Data Sets (MFJMATCH) The MFJMATCH utility compares two MVS data sets. It accepts any record format, record length or data set organization supported by your
COBOL development system.
Public SPOOL APIs Describes the APIs that you can use to access information in the JES spool files and JES spool control files.
Public Catalog API (MVSCATPB) Describes the Public Catalog API that you can use to access and update JES Catalog information.