z/OS Security Server RACF Security Administrator's Guide
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The RACF command exits

z/OS Security Server RACF Security Administrator's Guide
SA23-2289-00

RACF® provides a command exit (IRREVX01) that is invoked before and after the execution of all RACF TSO commands except the block update command (BLKUPD), RACDCERT, RACLINK, RACMAP, RACPRIV, RVARY, and RACF operator commands, such as RESTART, TARGET, and SIGNOFF.

This exit permits the installation to perform functions that include:
  • Checking additional authorization
  • Modifying authorization checking when these commands are issued
  • Changing the options specified on the command
  • Stopping the command from executing

There are other command exits that are invoked during processing of certain commands. See z/OS Security Server RACF System Programmer's Guide for information on which exits are invoked for each command.

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