CentOS is one of the preferred Operating Systems for web hosting servers. It's one of the many Linux releases available, yet what distinguishes it from the rest is the long-term support, which ensures that you will always have a reliable and protected OS. Each CentOS version that is released is supported for a decade, which is considerably longer than with another OS out there. CentOS also has a much more numerous developer community than other distributions, therefore in case you experience any problem or have any questions, you'll be able to rapidly discover the info that you need. CentOS is widely known as one of the best server Operating Systems, as it is very stable and protected, which makes it very reliable even if you host private information. Considering that it is open-source, you're able to modify 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 will not need to pay license fees of any sort.