Ubuntu is an exceptionally popular OS, that makes use of the Linux kernel. Even though it's used mainly on desktops, its server version has been becoming more popular these days as well. Ubuntu is one of the lightest Linux releases you can get and it is compatible with almost any kind of hardware, which makes it a universal OS. It's also very stable and secure and has an no less than a five-year support life cycle, so you will be able to get official protection and performance updates. Unlike various other Operating Systems, Ubuntu is distributed with no license fees and you are able to modify its core, and / or any of the numerous packages it comes with, in any way you find fit. This enables you to set up the right software environment for your web apps whatever their requirements. Because of the popularity of the OS, Ubuntu has large developer and user communities, which means that you will always find numerous materials online regarding any question or problem which you might have.