Check Ubuntu Version From Command Line

To check the Ubuntu version from the command line, you can use this command:

cat /etc/lsb-release

Output should be something like this:

DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=16.04
DISTRIB_CODENAME=xenial
DISTRIB_DESCRIPTION="Ubuntu 16.04.6 LTS"

In this example, Ubuntu 16.04.6 LTS is used.