Ubuntu is a really popular OS, which makes use of the Linux kernel. Though it is used mainly on personal computers, its server version has been rising in popularity these days as well. Ubuntu is one of the lightest Linux releases out there and it is compatible with almost any hardware, that makes it a universal Operating System. It's also very stable and secure and has an a minimum of a 5-year support life cycle, so you're able to receive official security and performance updates. Unlike alternative Operating Systems, Ubuntu is distributed without license fees and you will be able to customize its core, and / or any of the countless packages it contains, in any way you see fit. This enables you to install the perfect software environment for your web applications whatever their requirements. Due to the popularity of the OS, Ubuntu has huge developer and user communities, which means that you will always find numerous materials on the web related to any question or problem that you may have.