CentOS is one of the preferred Operating Systems for web hosting servers. It's one of the countless Linux distributions available, but what differentiates it from all of the rest is its long-term support, which ensures that you'll always have a dependable and safe Operating System. Every CentOS version that is released is supported for 10 years, that is a lot longer than with almost every other OS available. CentOS also has a much more numerous developer community than other distributions, therefore in the event you encounter any problem or have some questions, you can instantly get the details which you need. CentOS is widely known as among the best server Operating Systems, because it's very stable and secure, that makes it really reliable even if you host sensitive info. Considering that it is open-source, you will be able to modify each and 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, because you won't have to pay license fees of any sort.