System Installation Choices › Key z/OS Libraries › Key System File Display

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Key System File Display

The integrity of z/OS depends on several key system files. These files include APF‑authorized libraries, system linklist libraries, and LPA libraries.

Because the key system files contain all of the components of the system, it is important to determine if they are protected properly. The z/OS Key System File Display screen shows you all of the key system libraries, the DASD volume where each key system file resides, and if the library is APF‑authorized.

To view the key system files

  1. From the Primary Menu, select option 2.

    The System Installation Choices Menu is displayed.

  2. Select option 4.

    The Key z/OS Libraries submenu is displayed.

  3. Select option 4.

    The z/OS Key System File Display screen lists the z/OS files that have the greatest audit significance.