Rational Developer for System z
Enterprise COBOL for z/OS, Version 4.1, Compiler and Runtime Migration Guide


IBM COBOL compilers by name and version

Table 1. COBOL compiler name, version, release and product numbers

Compiler

Release level Product number

COBOL/370

Version 1 Release 1 5688-197

COBOL for MVS & VM

Version 1 Release 2 5688-197

COBOL for OS/390 & VM

Version 2 Release 1 5648-A25

COBOL for OS/390 & VM

Version 2 Release 2 5648-A25

Enterprise COBOL for z/OS

Version 3 Release 1 5655-G53

Enterprise COBOL for z/OS

Version 3 Release 2 5655-G53

Enterprise COBOL

Version 3 Release 3 5655-G53

Enterprise COBOL

Version 3 Release 4 5655-G53

Enterprise COBOL

Version 4 Release 1 5655-S71

To aid in moving your run time to Language Environment, this book provides information on how to run existing VS COBOL II and OS/VS COBOL load modules under Language Environment, including link-edit requirements for support and recommended runtime options for compatible behavior.

To aid in upgrading your source programs to the COBOL 85 Standard required by Enterprise COBOL, this book provides descriptions of the language differences between the COBOL 74 Standard and the COBOL 85 Standard. It also describes the IBM conversion tools available to aid in converting your source programs to Enterprise COBOL programs.

For both types of conversion, runtime and source, this book describes sample strategies and scenarios.


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