Ubuntu is a widely used desktop OS, which uses the Linux kernel, and its server release is getting quite popular too. The main reason is the fact that the operating system is really light and it can run on almost any hardware with no issues, utilizing its resources to the fullest. Ubuntu is also pretty reliable and secure and all Long-Term Support (LTS) releases are supported for a minimum of five years, which warrants that you will have a safe and dependable software environment on your web hosting server at all times. Furthermore, Ubuntu has one of the biggest user communities on earth, so if you experience any difficulty or have any question, you'll discover a number of resources online. Among the major benefits of this Operating System is the fact that it includes a large number of software packages which can be freely modified in accordance with your needs as well as the needs of the applications that you intend to run, not to mention that you will not have to pay any license fees at all. In comparison, other OS's are paid and their code is not accessible, thus it can't be changed.