Ubuntu is a widespread desktop OS, which uses the Linux kernel, and its server edition is getting very popular as well. The main reason is that the operating system is really light and it will run on almost any hardware with no issues, utilizing its resources to the maximum. Ubuntu is also pretty reliable and secure and all the Long-Term Support (LTS) editions are supported for a minimum of 5 years, which guarantees that you will have a protected and stable software environment on your website hosting server all the time. Furthermore, Ubuntu has one of the biggest user communities globally, which means that if you experience any difficulty or have any question, you will discover lots of resources on the web. Among the key benefits of this OS is the fact that it contains thousands of software packages which can be easily changed in accordance with your needs as well as the needs of the applications that you want to run, not to mention that you won't have to pay any kind of license fees any time. In comparison, other OS's are paid and their program code is not accessible, thus it cannot be changed.