To Check the #Ubuntu #version in the #terminal:
Open the terminal using “Show Applications” or use the keyboard shortcut [Ctrl] + [Alt] + .
Type the command “lsb_release -a” into the command line and press enter.
The terminal shows the Ubuntu version you're running under “Description” and “Release”.
More Info: https://linuxapt.com/blog/4-how-to-know-ubuntu-version-via-command-line