List of subtasks

Subtasks	Associated procedure
Preparing RACF®	Steps for preparing RACF
Defining z/OS® users to RACF	Steps for defining z/OS UNIX users to RACF
Managing group identifiers and user identifiers (GIDs and UIDs)	Steps for obtaining security information about users Steps for setting up field-level access
Defining groups to RACF	Steps for creating z/OS UNIX groups
Allowing users to transfer file ownership to any UID or GID on the system	Steps for authorizing selected users to transfer ownership of any file Steps for setting up the CHOWN.UNRESTRICTED profile
Giving superuser authority to users.	Steps for setting up BPX.SUPERUSER
Changing superusers from UID(0) to a unique nonzero UID	Steps for changing a superuser from UID(0) to a unique nonzero UID
Setting up the FILE.GROUPOWNER.SETGID profile	Steps for setting up the FILE.GROUPOWNER.SETGID profile
Creating and activating sanction lists	Steps for creating a sanction list Steps for activating the sanction list
Maintaining the security level of the system	Steps for maintaining the security level of the system
Activating FSACCESS checking	Steps for giving selected users or groups access to a z/OS UNIX file system

If you require a high level of security in your z/OS system and do not want superusers to have access to z/OS resources such as SYS1.PROCLIB, read the following topics: