This document describes the operating system services that an unauthorized program can use. An unauthorized program is one that does not run in supervisor state, or have PSW key 0-7, or or run with APF authorization. To use a service, the program issues a macro. A companion document, z/OS MVS Programming: Assembler Services Reference, provides the detailed information for coding the macros.
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SA23-1368-50
Last modified:
27 Jul 2022
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