CentOS is one of the most widely used Operating Systems for hosting servers. It's one of the numerous Linux releases out there, but what distinguishes it from all the rest is its long-term support, which guarantees that you'll always have a reliable and risk-free Operating System. Each CentOS version that is released is supported for ten years, that's a lot longer than with another OS available on the market. CentOS also has a much larger developer community than other distributions, so in case you encounter any problem or have any questions, you're able to quickly get the information that 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 very reliable even when you host confidential data. Considering that it is open-source, you are able to modify each and every part of it and customize it according to your requirements, 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.