Appendix B. Migration for OS/VS COBOL programs

Start of changeRuntime support for OS/VS COBOL programs is now withdrawn. These programs, which had runtime support in CICS® Transaction Server for z/OS® Version 2, cannot run under CICS Transaction Server for z/OS Version 3. This section is provided for migration purposes to help you upgrade OS/VS COBOL programs.End of change

Start of changeOS/VS COBOL programs must be upgraded to Language Environment® conforming COBOL, and recompiled against a level of COBOL compiler supported by CICS. The CICS Release Guide lists the compilers supported by CICS. Enterprise COBOL for z/OS is the recommended compiler.End of change

For information about writing CICS applications with Enterprise COBOL compilers, see Programming in COBOL.

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