Course Description

Developing Applications for z/OS UNIX

Course Code: U-520
Recommended Duration: 3 Days


Students who complete this course will be able to create and maintain programs written to run in the z/OS UNIX environment and that use callable z/OS UNIX System Services as well as C functions. They will also be able to construct and use makefiles to support their applications.


Programmers experienced with working in a z/OS environment who will be designing and coding applications that are to be run using z/OS UNIX.


Fundamental knowledge of z/OS UNIX shell scripting such as might be obtained from attending course U515: "Shell scripting in z/OS UNIX", and familiarity with at least one of these programming languages: COBOL, PL/I, C, LE-compliant Assembler.

Related IBM Materials

This course is drawn from these and other IBM manuals; access to these publications in the classroom is desirable but not required:

SA77-7803 - z/OS UNIX System Services Programming: Assembler Callable Services
SA22-7802 - z/OS UNIX Command Reference

Major Topics Include



There are 16 machine exercises, although the typical student will only work 8 of them.



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