In z/OS MVS, I've successfully written JCL to create my first Generational Dataset Group (GDG) base. I've run the JCL and now have a gdg base including a model dataset with a DSCB. How do I create my first GDG dataset? What should my JCL look like? I have the JCL to do updates, I'm just don't not sure how to create the first dataset...
Thank you!
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