Brief: On the occasion of Ubuntu’s 15th birthday, I present you 11 unknown facts about Ubuntu. World’s most widely used Linux distribution, Ubuntu, is turning 15 today. It has been a long but wonderful journey. 15 years back, Linux was a geeks only domain. It was back in the year 2004 when a South African astronaut Mark Shuttleworth started this project to make “Linux for human being”. And since then, the world of Linux has changed forever. During the last 15 years, Ubuntu made