CentOS is one of the most widely used Operating Systems for web hosting servers. It is one of the many Linux releases out there, however what distinguishes it from the rest is its long-term support, which ensures that you'll always have a stable and safe Operating System. Each CentOS version that is released is supported for ten years, which is longer than with almost every other OS in existence. CentOS also has a much more numerous developer community than other distributions, so if you encounter any problem or have some questions, you are able to promptly get the details which you need. CentOS is regarded as one of the best server Operating Systems, because it's very stable and protected, that makes it really reliable even when you host confidential data. Considering that it is open-source, you are able to modify any 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 need to pay license fees of any sort.