CentOS is one of the most widely used Operating Systems for website hosting servers. It's one of the countless Linux releases available, but what distinguishes it from all the rest is the long-term support, which guarantees that you'll always have a stable and protected Operating System. Every CentOS version that is released is supported for a decade, which is much longer than with any other OS available. CentOS also has a much larger developer community than other distributions, therefore in case you experience any problem or have any questions, you can quickly find the details that you need. CentOS is regarded as among the best server Operating Systems, as it is very stable and secure, that makes it very reliable even when you host confidential data. Due to the fact that it is open-source, you are able to modify every part of it and customize it according to your needs, not to mention that the total cost for a CentOS-based server will be lower, as you won't need to pay license fees of any sort.