Overview The OS/VS2 MVS38J file sorting function is provided by the IBM S360 SORT/MERGE product included in the public domain version of the MVS38J Operating System. The sort/merge product provides exit processing that facilitates calling external user programs at various points within the sort/merge phases such as SORT INPUT PHASE (e.g. add/change/delete input records) or MERGE OUTPUT PHASE (e.g. add/change/delete … Continue reading Sorting in MVS38J – Part II