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Tasks that z/OS UNIX application programmers do z/OS UNIX System Services Planning GA32-0884-00 |
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Application programmers are likely to do the following when creating
UNIX-compliant application programs:
A z/OS UNIX program can be run interactively from a shell in the foreground or background, run as an MVS batch job, or called from another program. The following types of applications exist in z/OS UNIX:
A z/OS program submitted through the job stream or as a job from a TSO/E session can request kernel services through the following:
At the first request for a kernel service, the system dubs the program as a z/OS UNIX process. C/C++ applications that use RUNOPT 'POSIX(ON)' are always dubbed implicitly. POSIX(OFF) or non-C/C++ applications are not dubbed until an explicit kernel service request is issued. |
Copyright IBM Corporation 1990, 2014
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