Oracle
How to see the version of Oracle Linux
Oracle Linux is based on Red Hat Enterprise Linux. At first, it may be confusing to determine what specific Oracle version of the operating system is used.
Summary
Determine Oracle Linux version Oracle Linux is based on Red Hat Enterprise Linux. At first, it may be confusing to determine what specific operating system is running. This is because both have the /etc/redhat-release file. If that file exists, use the cat command to display the contents. Next step is to determine if there is a /etc/oracle-release file as well. If so, then you can be sure that Oracle Linux is running.