CentOS is one of the preferred Operating Systems for hosting servers. It is one of the numerous Linux distributions in existence, however what distinguishes it from the others is its long-term support, which guarantees that you will always have a stable and safe Operating System. Every CentOS version that is released is supported for 10 years, which is a lot longer than with almost every other OS in existence. CentOS also has a much more numerous developer community than other distributions, therefore in the event you experience any kind of problem or have some questions, you will be able to quickly get the details that you need. CentOS is considered to be among the best server Operating Systems, as it's very stable and protected, which makes it very reliable even if you host private data. Considering that it is open-source, you can modify each and every part of it and personalize it according to your requirements, not to mention that the overall cost for a CentOS-based server will be lower, as you won't have to pay license fees of any sort.