Multiple choice technology mainframe

which utility we have to use to delete the generation of a GDG?

  1. IDCAMS

  2. IEFBR14

  3. IEBGENER

  4. IEBCOPY
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B Correct answer
Explanation

To delete or uncatalog a specific dataset generation of a GDG in JCL, the null program IEFBR14 is executed with a DD statement specifying DISP=(OLD,DELETE). IDCAMS is used to define/delete the GDG base, while IEBGENER and IEBCOPY copy data.

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