Linux is an operating system which is used for many purposes. Ubuntu is a free source software which can be downloaded from the website and the best thing is about Ubuntu is that it is quiet virus free software.
Ubuntu takes less time for the installation and provide many inbuilt features which you have install yourself in other operating system. Ubuntu is a very classical software if we take about speed, reliability, and Ubuntu consume less space for the installation and provides best services. Ubuntu is available on the internet in many different versions which a user can download according to his need.