CentOS is one of the most widely used Operating Systems for web hosting servers. It is one of the countless Linux releases available, but what distinguishes it from all the rest is its long-term support, which guarantees that you'll always have a stable and protected OS. Every CentOS version that is released is supported for 10 years, that is considerably longer than with any other OS in existence. CentOS also has a much more numerous developer community than other distributions, so in case you experience any kind of problem or have some questions, you are able to quickly get the info that you need. CentOS is considered to be one of the best server Operating Systems, since it is very stable and protected, that makes it very reliable even when you host private info. Considering that it is open-source, you'll be 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, as you will not have to pay license fees of any type.