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 CASSPOOL API (MVSCASPB)
Describes the Public CASSPOOL API that you can use to access job status information held in the CASSPOOL file (casspool.dat).
Public Catalog API (MVSCATPB)
Describes the Public Catalog API that you can use to access and update JES Catalog information.