Ubuntu is a very popular Operating System, that uses the Linux kernel. Though it is used primarily on personal computers, its server version has been gaining in popularity lately as well. Ubuntu is one of the lightest Linux releases available and it is compatible with almost any kind of hardware, that makes it a universal Operating System. It's also very stable and secure and has an no less than a 5-year support life cycle, so you can receive official security and performance updates. Unlike a number of other OS's, Ubuntu is distributed devoid of license fees and you can customize its core, and all of the thousands of packages it features, in any way you find fit. This will enable you to install the proper software environment for all your web applications regardless of their requirements. Because of the popularity of the OS, Ubuntu has large developer and user communities, which means that you can always find find lots of materials on the Internet related to any question or problem that you might have.