This information is for anyone who diagnoses software problems
that occur on the operating system. This person is usually a system
programmer for the installation. This information is also for application
programmers who are testing their programs.
This information assumes that the reader:
- Understands basic system concepts and the use of system services
- Codes in Assembler language, and reads Assembler and linkage editor
output
- Codes JCL statements for batch jobs and cataloged procedures
- Understands the commonly used diagnostic tasks and aids, such
as message logs, dumps, and the interactive problem control system
(IPCS)
- Understands how to search the problem reporting databases
- Understands the techniques for reporting problems to IBM®