To view the current OS version we are using in UNIX. Use the command
uname -mrs
The "m" flag is to display the machine hardware/model names.
The "r" flag is to display the current release level of the OS.
The "s" flag is to display the name of the OS.
Example from 2/15/2023:
To find Oracle Version Information, open TOAD and run the query
SELECT * FROM v$version
You will get output, such as:

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