Ubuntu is a widespread desktop OS, which uses the Linux kernel, and its server version is getting really popular as well. The reason is that the operating system is really light and it'll run on almost any kind of hardware without issues, utilizing its resources to the maximum. Ubuntu is also extremely reliable and secure and all of the Long-Term Support (LTS) editions are supported for at least five years, which warrants that you should have a safe and stable software environment on your web hosting server all of the time. Furthermore, Ubuntu has one of the biggest user communities around the world, so if you experience any problem or have any kind of question, you will find lots of resources on the web. Among the basic benefits of this Operating System is the fact that it contains thousands of software packages which can be freely customized in accordance with your needs as well as the needs of the apps that you want to run, not to mention that you will not have to pay any kind of license fees at any time. In contrast, other Operating Systems are paid and their code isn't accessible, therefore it can't be changed.