Explain NOTCAT 2- GS.

1.	Explain NOTCAT 2- GS.
Answer» Basically, NOTCAT 2-GS is an MVS (Multiple Virtual STORAGE) message indicating the existence of duplicate catalog data. This would happen, for INSTANCE, if we already had a dataset with DSN = 'xxxx.yyyy' and WANTED to create a new one with DISP new, catlg. In this case, we can correct the situation by deleting the first data SET and cataloguing the new data set on the volume where it resides.

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