CentOS is one of the preferred Operating Systems for hosting servers. It's one of the many Linux distributions available, yet what distinguishes it from the rest is the long-term support, which ensures that you'll always have a reliable and secure Operating System. Every CentOS version that is released is supported for 10 years, that is longer than with any other OS out there. CentOS also has a much larger developer community than other distributions, therefore in the event you experience any kind of problem or have some questions, you are able to instantly discover the details which you need. CentOS is widely known as among the best server Operating Systems, as it is very stable and secure, that makes it very reliable even if you host confidential information. Because it is open-source, you can modify any part of it and personalize it according to your needs, not to mention that the overall cost for a CentOS-based server will be lower, because you will not have to pay license fees of any type.