z/OS UNIX System Services Planning
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z/OS UNIX level

z/OS UNIX System Services Planning
GA32-0884-00

There are two z/OS UNIX levels:
  • RACF® running with enhanced program security, BPX.DAEMON defined, and BPX.MAINCHECK defined. You can use BPX.MAINCHECK for any privileged z/OS UNIX application that requires a program controlled environment, because the application uses a privileged z/OS UNIX service that requires one. An example is the __passwd() service, which is used by applications such as telnet and rlogin.
  • BPX.DAEMON FACILITY
Parent topic: Establishing the correct level of security for daemons

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