How to Install Atom Editor on Ubuntu 18.04 LTS?br br br What is Atom?br br Atom is a Free and open source text and code editor from the makers of Github.br br First, right click on the desktop, and then click on 'open terminal.' After that, follow the steps below:-br br br Step 1: Add PPAbr br sudo add-apt-repository ppa:webupd8teamatombr br br Step 2: Update System Repositoriesbr br sudo apt updatebr br br Step 3: Install Atom Editorbr br sudo apt install atombr br br In order to open then Atom Editor, Click on 'show applications' at the bottom left. Do a search for Atom. After that, click on it to open it.