There are 4 different ways to check which version of Ubuntu one is running. Two of them are command-line based and the other is using tools.
Unity is the default desktop environment for Ubuntu since 12.04 (Precise Pangolin). The steps to retrieve the version information is as follows:
- Click on the ‘projection’ on the menu bar (upper-right portion of the screen). This is to the right of the clock. In my installation, this cog is more of an empty square after the clock.
- Select the option: About This Computer. This will open a new windows & displays as below:
Open a terminal (Keyboard shortcut: CTRL+ALT+T) and do any of the following.
Enter the command ‘lsb_release -a‘
read lsb-release file
Read through the static file ‘lsb-release‘ under etc directory.
Using Ubuntu Tweak
Install Tweak Ubuntu and opening them gives you this:
All of these suggest the installed version on my computer is 13.04 (aka raring). These are, currently, the different methods to check the versions of ubuntu that has been installed.