The document provides a biography of Mark Shuttleworth, a South African entrepreneur who founded the Ubuntu operating system. It details that he was born in South Africa in 1973, studied at the University of Cape Town, and founded the security company Thawte Consulting in 1995 which he later sold for $575 million. With this money he founded Canonical Ltd in 2004 to promote Ubuntu, a Debian-based Linux distribution. Ubuntu is developed by Canonical and uses the Unity desktop environment, with the goal of being a freely available operating system based on open-source principles.