CentOS is one of the most widely used Operating Systems for web hosting servers. It's one of the many Linux releases available, but what distinguishes it from all of the others is the long-term support, which guarantees that you will always have a dependable and secure OS. Each CentOS version that is released is supported for a decade, 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 the event you encounter any problem or have any questions, you'll be able to rapidly discover the data which you need. CentOS is considered to be among the best server Operating Systems, because it's very stable and protected, which makes it really reliable even if you host sensitive information. Considering that it is open-source, you will be able to modify any part of it and personalize it according to your requirements, not to mention that the overall cost for a CentOS-based server will be lower, because you will not need to pay license fees of any type.