Ubuntu is an extremely popular Operating System, which uses the Linux kernel. While it is used mainly on desktop machines, its server version has been becoming more popular recently as well. Ubuntu is one of the lightest Linux distributions available and it supports 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 5-year support life cycle, so you will be able to receive official protection and performance updates. Unlike lots of other Operating Systems, Ubuntu is distributed devoid of license fees and you're able to modify its core, or any of the numerous packages it features, in any way you see fit. This will allow you to install the best software environment for all of your web apps whatever their specifications. Because of the popularity of the OS, Ubuntu has huge developer and user communities, so that you can always find find lots of materials on the Internet related to any question or problem which you may have.