What version of Ubuntu am I using?

To find out which version of Ubuntu you are running, run the following in terminal:

lsb_release -a

The lsb_release command prints certain LSB (Linux Standard Base) and Distribution information.

No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 16.04.3 LTS
Release:        16.04
Codename:       xenial

lsb_release is part of a software package called the LSB core, which is not necessarily installed on your system by default.

To install it, run the command below

sudo apt-get update && sudo apt-get install lsb-core

The Linux Standard Base is a common runtime environment for third-party packages. The goal of the LSB is to make it easy to create binary packages that will run on any Linux distribution.

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