CentOS is one of the most widely used Operating Systems for website hosting servers. It is one of the countless Linux distributions out there, but what differentiates it from the others is its long-term support, which guarantees that you'll always have a dependable and secure Operating System. Every CentOS version that is released is supported for 10 years, that's considerably longer than with almost every other OS available on the market. CentOS also has a much larger developer community than other distributions, therefore in case you experience any kind of problem or have some questions, you're able to quickly get the details that you need. CentOS is considered to be among the best server Operating Systems, due to the fact that it is very stable and secure, that makes it very reliable even when you host sensitive info. Considering that it is open-source, you will be able to modify each and every part of it and personalize it according to your needs, not to mention that the total cost for a CentOS-based server will be lower, because you won't have to pay license fees of any sort.