ubuntu is the modern, open source operating system on linux for the enterprise server, desktop, cloud, and iot.

red hat is the world’s leading provider of enterprise open source solutions, including high-performing linux, cloud, container, and kubernetes technologies.

news and feature lists of linux and bsd distributions.

debian is an operating system and a distribution of free software. it is maintained and updated through the work of many users who volunteer their time and effort.

q&a for ubuntu users and developers

fedoraforum.org is a support forum for fedora linux.

discover tumbleweed and get the newest linux packages with our rolling release. fast! integrated! stabilized! tested!. discover leap and get the most complete linux distribution with opensuse’s latest regular-release version!

guides, information, and news about the fedora operating system for users, developers, system administrators, and community members.

the website of gentoo, a flexible linux distribution.