Ubuntu is a very popular Operating System, which employs the Linux kernel. Although it's used primarily on personal computers, its server version has been gaining in popularity recently as well. Ubuntu is one of the lightest Linux distributions you can get and it's compatible with almost any hardware, that makes it a universal Operating System. In addition, it is very stable and secure and has an a minimum of a five-year support life cycle, so you can get official safety and performance updates. Unlike a number of other OS's, Ubuntu is distributed devoid of license fees and you can modify its core, as well as all of the numerous packages it comes with, in any way you find fit. This will enable you to install the perfect software environment for your web apps irrespective of their requirements. Due to the popularity of the OS, Ubuntu has huge developer and user communities, so that you can always find find a lot of materials on the world wide web related to any question or problem which you might have.