Answer / muttaiah

Procedure: set of JCL code used to perform specified
function
2 types
1. Instream and 2. Catalog proc
Instream proc: is the one which is coded with in the JCL
Catlg Prod: Which is coded in a member of a PDS and is
referenced in the JCl through the JCLLIB order stmt.

We can use max of 255 steps in a JCL. Each step can have
only 1 catlg proc. Hence 255 catlg proc can be used in a
JCL.

Answer / rekha

If we want to access the data of a out side member in our
JCL program then we have to go for Catelog Procedure.
In one job we can use up to 255 catelog procedures.

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