Kubuntu - Ubuntu-derived distribution of Linux. Kubuntu uses the KDE graphical environment instead of the standard Ubuntu Unity. The slogan of the project Kubuntu - «-friendly computer." The distribution is developed and maintained by Canonical Ltd. to version 12.04. Release 12.10 will be developed by the community. The project is part of the Ubuntu project and uses its foundation. The distribution contains all the tools you need: Viewer Internet, office suite for word processing, spreadsheets and presentations, programs for communication on the Internet and many others.