Ubuntu is an open source software platform that runs everywhere from the smartphone, the tablet and the PC to the server and the cloud. Ubuntu is a community developed, Linux-based operating system that is perfect for laptops, desktops and servers. It contains all the applications you need - a Kubuntu, making your PC friendly. Kubuntu is an operating system built by a worldwide community of developers, testers, supporters and translators. How to Install Ubuntu Linux. Ubuntu is one of the most popular forms of the Linux operating system. It is available for free, and will run on almost any computer. Ubuntu is an open source software platform that runs everywhere from the smartphone, the tablet and the PC to the server and the cloud. OS Type: Linux; Based on: Debian, Ubuntu; Origin: Isle of Man; Architecture: armhf, i686, powerpc, ppc64el, x86_64; Desktop: Unity; Category: Beginners, Desktop. A repository of community-edited information on all versions of Ubuntu. Ubuntu (/ ʊ ˈ b uː n t ʊ / uu-BOON-tuu) is a Debian-based Linux operating system for personal computers, tablets and smartphones, where Ubuntu Touch edition is. Ubuntu is a free computer operating system that has been increasing in popularity. Find out what Ubuntu is all about. 30 Days With Ubuntu Linux: Day 1. And, so it begins. With the inaugural 30 Days With project--Google Docs--behind me, it's time to start a new journey.