CentOS is one of the most widely used Operating Systems for hosting servers. It is one of the countless Linux releases available, but what distinguishes it from the others 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 a decade, that is longer than with any other OS available 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 will be able to rapidly find the data which you need. CentOS is regarded as one of the best server Operating Systems, since it is very stable and protected, which makes it very reliable even if you host confidential info. Considering that it is open-source, you are able to modify each and every 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, since you will not need to pay license fees of any sort.