Multiple choice technology mainframe

Can datasets of a different record length (LRECL) be concatenated?

  1. True

  2. False
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A Correct answer
Explanation

Datasets with different record lengths (LRECL) can be concatenated in JCL, and the system will handle the varying LRECL values. The output dataset will use the LRECL specified in its DCB, and records from input datasets will be processed according to their own LRECL values. This is a valid and commonly used technique.

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