CentOS is one of the preferred Operating Systems for website hosting servers. It's one of the numerous Linux distributions in existence, however what differentiates it from all the rest is the long-term support, which ensures that you will always have a reliable and risk-free Operating System. Each CentOS version that is released is supported for 10 years, which is longer than with almost every other OS available on the market. CentOS also has a much more numerous developer community than other distributions, therefore if you experience any problem or have some questions, you will be able to rapidly discover the information that you need. CentOS is considered to be among the best server Operating Systems, because it is very stable and secure, which makes it really reliable even if you host sensitive info. Because it is open-source, you'll be able to modify every part of it and personalize it according to your requirements, not to mention that the total cost for a CentOS-based server will be lower, as you won't have to pay license fees of any type.