What does a disposition of ( NEW, CATLG, KEEP) m

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What does a disposition of ( NEW, CATLG, KEEP) mean ?

That this is a new dataset and needs to be allocated, to CATLG the dataset if the step is successful and to KEEP but not CATLG the dataset if the step abends. Thus if the step abends, the dataset would not be catalogued and we would need to supply the vol.ser the next time we refer to it.

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