Your Question: How Do I Find Oracle Version in Linux?
Contents as the User Running the Oracle Database One Can Also Try $Oracle_Home/Opatch/Opatch Lsinventory Which Shows the Exact Version and Patches Installed...
As the user running the Oracle Database one can also try $ORACLE_HOME/OPatch/opatch lsinventory which shows the exact version and patches installed. Will give you the path where Oracle installed and path will include version number.
How do I determine Oracle version?
You can check the Oracle version by running a query from the command prompt. The version information is stored in a table called v$version. In this table you can find the version information for Oracle, PL/SQL, etc.
Where is Oracle installed on Linux?
Installation Guide for Linux
Go to $ORACLE_HOME/oui/bin . Start Oracle Universal Installer. Click Installed Products to display the Inventory dialog box on the Welcome screen. Select an Oracle Database product from the list to check the installed contents.