How to verify which version of Ubuntu you are running

This is how to verify which version of Ubuntu you have installed. Go to System, Administration, and select System Monitor, as follows:

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The System Monitor window will open. Select the first tab which is called "system" and you should see something similar to the following:

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In this case you can see I have Ubuntu Release 8.10 (intrepid).

Knowing this basic info about your setup will be useful when you are seeking advice in Ubuntu forums such as ubuntuforums.org