COBOL: 3 Simple Tips to Know Module is Subroutine

In COBOL programming, the subroutine needs the following three clauses. With these you can say the module is subroutine or main module.

Here are Hints to Know the Module is Subroutine

1. Linkage section
2. In procedure division USING
3. At the end of program, either, EXIT PROGRAM or GOBACK

With the above clause we can say the given module is Subroutine.

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