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COBOL II and COBOL/370 Debugging and Maintenance

Recommended Duration:
2 Days
Version
VS COBOL II or COBOL/370.
Benefits
Students use VS COBOL II and COBOL/370 facilities for debugging and maintaining programs. The Linkage Editor and Program Binder are discussed extensively.
Audience
COBOL II / COBOL/370 programmers who need to know how to code calling and called programs (subroutines) and who need to know how to debug these programs in the MVS/ESA or OS/390 environment; programmers who need to know how to use the Linkage Editor or Program Binder for maintenance.
Prerequisites
Basic understanding of the COBOL language, and a working knowledge of how to code JCL statements. Fundamental understanding of CALL statements and subroutine concepts.
Major Topics
  • COBOL compiler options, inputs, outputs, and cataloged procedures
  • Sources of information
  • Anatomy of a COBOL compile listing
  • Subroutines and parameters
  • Static and dynamic calls
  • Linkage Editor and Program Binder
  • MVS, OS/390 ABEND dump reading
  • Debugging features of the language
  • Declaratives
  • 31-bit addressing considerations
Exercises
There are three standard and one optional hands-on exercises. The exercises in this course may be run on any MVS or OS/390 system using either the VS COBOL II compiler or the COBOL/370 compiler.