Ubuntu is a preferred desktop OS, that uses the Linux kernel, and its server version is getting pretty popular as well. The main reason is that the OS is very light and it will run on almost any kind of hardware without issues, utilizing its resources to the maximum. Ubuntu is also really reliable and secure and all the Long-Term Support (LTS) versions are supported for a minimum of five years, which warrants that you should have a risk-free and dependable software environment on your web hosting server all of the time. In addition, Ubuntu has one of the largest user communities worldwide, which means that if you experience any difficulty or have any kind of question, you will discover plenty of resources on the Internet. One of the main benefits of this Operating System is the fact that it has a great number of software packages which can be freely modified in accordance with your needs and / or the needs of the apps which you wish to run, not to mention that you won't have to pay any kind of license fees at any time. In contrast, other Operating Systems are paid and their code isn't accessible, which means that it can't be changed.