Ubuntu is a very popular OS, that employs the Linux kernel. Though it is used mainly on PCs, its server version has been gaining in popularity these days as well. Ubuntu is among the lightest Linux distributions available and it supports almost any kind of hardware, which makes it a universal OS. It is also very stable and secure and has an no less than a five-year support life cycle, so you are able to receive official protection and performance updates. Unlike many other Operating Systems, Ubuntu is distributed devoid of license fees and you are able to customize its core, or 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 your web applications whatever their requirements. Due to the popularity of the Operating System, Ubuntu has large developer and user communities, so that you will always find numerous materials on the world wide web related to any question or problem that you may have.