This screenshot shows the Step 14 "Privileged Operating System groups" of the Oracle Database 18c Installer wizard.
It contains the following fields and values:
Database Administrator (OSDBA) group: dba
Database Operator (OSOPER) group (Optional): dba
Database Backup and Recovery (OSBACKUPDBA) group: dba
Data Guard administrative (OSDGBA) group: dba
Encryption Key Management administrative (OSKMDBA) group: dba
Real Application Cluster administrative (OSRACDBA) group: dba
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