Database FAQS With Answer

What are the differences between OS VS COBOL and VS COBOL II?

Explanation: 1. OS/VS Cobol pgms can only run in 24 bit addressing mode, VS Cobol II pgms can run either in 24 bit or 31 bit addressing modes allowing program to address above 16 Meg main storage line.
2. Report writer is supported only in OS/VS Cobol.
3. USAGE IS POINTER is supported only in VS COBOL II.
4. Reference modification eg: WS-VAR(1:2) is supported only in VS COBOL II.
5. COBOL II introduces new features (EVALUATE, SET ... TO TRUE, CALL ... BY CONTEXT, etc)
6. Scope terminators are supported in COBOL II.
7. OS/VS Cobol follows ANSI 74 stds while VS COBOL II follows ANSI 85 stds.
8. Under CICS Calls between VS COBOL II programs are supported.
9. COBOL II supports structured programming by using in-line PERFORM 's.
10. COBOL II does not support old features (READY TRACE, REPORT-WRITER, ISAM, etc.).
11. In non-CICS environment, it is possible. In CICS, this is not possible.

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