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IBM JCL was where the truly magical incantations entered the picture. We had grad students who hung out in the punch card room and they were the go-to guys for getting your JCL sorted out. SYSIN DD *, baby!

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Back in the Usenet days, I saw some greybeard's .sig line:

\\GO.SYSIN DD *

DOO DAH

(Checks beard color and blushes.)

I used to know some jcl, those were the days. It was used in a few "advanced" classes when I was an undergrad. Was that the one that had the little hello pamplet with details, or was that yellow pamplet describing sys/360 assembly.

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