Ubuntu is an extremely popular Operating System, which uses the Linux kernel. Though it's used mainly on desktops, its server version has been becoming more popular nowadays as well. Ubuntu is one of the lightest Linux distributions available and it is compatible with almost any kind of hardware, which makes it a universal OS. In addition, it is very stable and secure and has an at the very least a five-year support life cycle, so you will be able to get official safety and performance updates. Unlike lots of other Operating Systems, Ubuntu is distributed with no license fees and you're able to customize its core, and / or all of the numerous packages it contains, in any way you find fit. This enables you to set up the best software environment for all of your web applications whatever their specifications. Because of the popularity of the OS, Ubuntu has huge developer and user communities, so you can always find find lots of materials on the web regarding any question or problem that you may have.