Ubuntu is a well-liked desktop OS, which uses the Linux kernel, and its server release is getting very popular as well. The main reason is that the OS is really light and it can function on almost any hardware without issues, utilizing its resources to the max. Ubuntu is also extremely reliable and secure and all the Long-Term Support (LTS) editions are supported for a minimum of five years, which guarantees that you will have a safe and stable software environment on your hosting server all of the time. Furthermore, Ubuntu has one of the biggest user communities around the world, so if you experience any issue or have any question, you will find numerous resources on the net. One of the key advantages of this OS is that it has a large number of software packages which can be freely modified in accordance with your needs and the requirements of the applications which you want to run, not to mention that you will not have to pay any kind of license fees at any time. In comparison, other Operating Systems are paid and their program code isn't accessible, therefore it cannot be changed.