When you install a new software to your computer, the first all of you need to know the version of it to download a right version to avoid errors and help the software works correctly.
In this post, I give simple ways to do that.
Check Ubuntu Version via Graphical User Interface
Go to the upper-right conner, click to Setting as below:

In the Settings
utilities, scroll down and click to About
:
You can see the version information in OS name
and other information, such as memory, processor, disk capacity…
Check Ubuntu Version via Command Line
Open your terminal by press Ctrl+Alt+T, then type
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.04.1 LTS
Release: 20.04
Codename: focal
If you want to so only the version information, you can use -d
option:
$ lsb_release -d
Description: Ubuntu 20.04.1 LTS
You can use the /etc/issue
file:
$ cat /etc/issue
Ubuntu 20.04.1 LTS \n \l
Conclusion
In this post, I have shown you how to find the version of Ubuntu installed on your computer. For more information on Ubuntu releases visit the Ubuntu Releases page.