By looking into the Jcl can we identify the dataset is VSAM?

Answer Posted / amjtih

if it is a VSAM Define step, yes, we can. if using an
existing VSAM file, by looking to JCL,its difficult
provided if there is no defined naming convention.
other than that, just try to open via ispf 3.4 option, and
if it is VSAM, that will show the message. if KSDS, then
Data and Index elements can view.

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