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


Introducing the new compiler and run time

This chapter provides an overview of the Enterprise COBOL compiler (IBM Enterprise COBOL for z/OS), and the common run time (Language Environment) and introduces you to the terminology used throughout this book. This chapter includes information on the following:

Terminology clarification

In this book, we use the term Enterprise COBOL as a general reference to:
  • IBM Enterprise COBOL for z/OS and OS/390, Version 3 Release 1
  • IBM Enterprise COBOL for z/OS and OS/390, Version 3 Release 2
  • IBM Enterprise COBOL for z/OS, Version 3 Release 3
  • IBM Enterprise COBOL for z/OS, Version 3 Release 4
  • IBM Enterprise COBOL for z/OS, Version 4 Release 1
In this book, we use the term IBM COBOL as a general reference to:
  • COBOL/370, Version 1 Release 1
  • COBOL for MVS & VM, Version 1 Release 2
  • COBOL for OS/390 & VM, Version 2 Release 1
  • COBOL for OS/390 & VM, Version 2 Release 2

See Summary of changes to the COBOL compilers for further details.


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