We selected Red Hat Enterprise Linux for the operating system for this testing. Both Oracle and Dell have certified Red Hat Enterprise Linux, which has an established reputation as an excellent choice for enterprise databases. Many customers have standardized on Red Hat Enterprise Linux for its operational consistency, focus on security, and support. Among the key values to Oracle customers are the integrated profile defaults. Red Hat Enterprise Linux 8 allows you to use profiles that are tuned for databases. For example, the Oracle profile tunes operating system features for better throughput performance, and the transparent Huge pages feature is automatically disabled. To learn more about this feature and others, see the .