What is Debian? (next try) The Debian Project is an association of individuals who have made common cause to create a free operating system. This operating system that we have created is called Debian GNU/Linux, or simply Debian for short. Moreover, work is in progress to provide Debian for other than Linux kernels, primarily for the Hurd. Other possible kernels are BSD and even ports to MS Windows are planed. Web of trust Differences to other distributions