DEFINE GENERATIONDATAGROUP

The DEFINE GENERATIONDATAGROUP command creates a catalog entry for a generation data group (GDG). For information on generation data group wrapping rules, see z/OS MVS JCL User's Guide. The syntax of the DEFINE GENERATIONDATAGROUP is:

Command Parameters
DEFINE GENERATIONDATAGROUP
    (NAME(entryname)
    LIMIT(limit)
Start of change End of change Start of change   [EXTENDED|NOEXTENDED]End of change
  [EMPTY|NOEMPTY]
    [FIFO|LIFO]
    [OWNER(ownerid)]
Start of change End of change Start of change[PURGE|NOPURGE]End of change
    [SCRATCH|NOSCRATCH]
  [CATALOG(catname)]
   

DEFINE can be abbreviated: DEF