What is Ubuntu?
Ubuntu is a Linux operating system developed by Canonical and a worldwide community, with desktop, server, cloud and device editions.
Meet Ubuntu
Ubuntu is a popular open-source Linux distribution built on Debian foundations. It is used by individuals, developers, organizations and cloud providers. Ubuntu releases have different support lifecycles, including long-term support (LTS) versions.
Official Ubuntu flavors
Official flavors provide different desktop environments while sharing Ubuntu's core repositories and infrastructure. Popular choices include Kubuntu, Xubuntu, Lubuntu, Ubuntu MATE, Ubuntu Budgie, Ubuntu Cinnamon, Ubuntu Unity, Ubuntu Studio, Ubuntu Kylin and Edubuntu.
Ubuntu derivatives
Independent projects such as Linux Mint, Zorin OS, elementary OS and Linux Lite adapt Ubuntu to different audiences. Some projects change bases over time, so always verify the release you intend to install.