Ubuntu is a widespread desktop OS, which uses the Linux kernel, and its server edition is getting very popular as well. The reason is that the OS is really light and it can run on almost any hardware without issues, utilizing its resources to the max. Ubuntu is also very reliable and secure and all the Long-Term Support (LTS) releases are supported for at least five years, which warrants that you will have a risk-free and dependable software environment on your hosting server at all times. Furthermore, Ubuntu has one of the largest user communities on earth, so if you experience any problem or have any kind of question, you will discover numerous resources on the Internet. Among the basic advantages of this OS is that it contains numerous software packages which can be freely adjusted according to your needs and / or the needs of the applications that you'd like to run, not to mention that you will not have to pay any kind of license fees any time. In comparison, other OS's are paid and their program code is not accessible, which means that it cannot be changed.