Ubuntu is a well known desktop Operating System, that uses the Linux kernel, but its server release is getting very popular too. The main reason is the fact that the OS is amazingly light and it will function on almost any kind of hardware without issues, utilizing its resources to the maximum. Ubuntu is also very reliable and secure and all the Long-Term Support (LTS) editions are supported for a minimum of 5 years, which warrants that you will have a safe and dependable software environment on your hosting server at all times. Also, Ubuntu has one of the largest user communities worldwide, which means that if you experience any difficulty or have any question, you will discover a number of resources online. Among the key benefits of this OS is that it includes tens of thousands of software packages that can be freely customized in accordance with your needs and the needs of the applications which you wish to run, not to mention that you won't have to pay any kind of license fees at any time. In comparison, other OS's are paid and their program code is not accessible, therefore it can't be changed.