CentOS is one of the preferred Operating Systems for website hosting servers. It is one of the many Linux distributions available, however what distinguishes it from all the others is the long-term support, which guarantees that you will always have a stable and protected OS. Every CentOS version that is released is supported for a decade, that's longer than with almost every other OS on the market. CentOS also has a much more numerous developer community than other distributions, so if you encounter any kind of problem or have any questions, you can promptly discover the data which you need. CentOS is widely known as one of the best server Operating Systems, because it's very stable and secure, that makes it very reliable even if you host private information. Since it is open-source, you'll be able to modify every part of it and customize it according to your needs, not to mention that the total cost for a CentOS-based server will be lower, since you won't need to pay license fees of any type.