Ubuntu is a Linux distribution based on Debian and composed mostly of free and open-source software. Ubuntu is officially released in three editions: Desktop, Server, and Core for Internet of things devices and robots. All the editions can run on the computer alone, or in a virtual. As it is more secure and faster it is used by the developer and tester community. Ubuntu is not easy to learn and start with as compared to windows as it mainly works with commands. It has no visual assistant.