CentOS is one of the most widely used Operating Systems for website hosting servers. It's one of the numerous Linux distributions in existence, however what differentiates it from the rest is the long-term support, which guarantees that you'll always have a stable and risk-free OS. Every CentOS version that is released is supported for 10 years, that is considerably longer than with another OS in existence. CentOS also has a much more numerous developer community than other distributions, therefore in case you experience any problem or have any questions, you can rapidly find the details which you need. CentOS is regarded as one of the best server Operating Systems, due to the fact that it is very stable and secure, that makes it really reliable even if you host private information. Considering that it is open-source, you'll be able to modify any part of it and customize it according to your requirements, not to mention that the overall cost for a CentOS-based server will be lower, since you will not need to pay license fees of any type.