How to find which Linux version we are using?

Let’s say, you want to find find Linux version you are using/running then you can use the following command.

lsb_release -a

After executing the above command you will see the output something like this:

No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 18.04.2 LTS
Release:        18.04
Codename:       bionic

Now, we can see the which version of the Linux distro we are using.