IBM COBOL & Language Environment for VSE/ESA - How to Upgrade Now

An IBM Redbooks publication


The strategic VSE COBOL compiler is COBOL for VSE/ESA with Full-Function Feature that includes the
Debug Tool for VSE/ESA. The run-time library is Language Environment for VSE/ESA Version 1 Release 4. With these products customers can move their COBOL applications into and beyond Year 2000.

The benefits of moving to the new environment are described in this document. The detailed description of the differences between the various language levels and of available migration aids will help you perform the upgrade.

This IBM Redbooks publication has been written for all professionals with the responsibility for planning and executing the migration of DOS/VS COBOL or VS COBOL II applications to COBOL/VSE and the run-time environment of LE/VSE.

Good knowledge of VSE/ESA concepts and HLL programming is required.

Table of contents

Chapter 1. Introduction 1.0
Chapter 2. Why Migrate? 2.0
Chapter 3. Migration Considerations 3.0
Chapter 4. Conversion Aids 4.0
Chapter 5. Significant Differences between Old COBOL and COBOL/VSE 5.0
Chapter 6. CCCA/VSE 6.0
Chapter 7. Debug Tool for VSE/ESA 7.0
Chapter 8. Performance Considerations 8.0
Appendix A. Sample Case of Language Conversion A.0
Appendix B. Special Notices B.0
Appendix C. Related Publications C.0


Publish Date
28 July 1997

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