CentOS is one of the most widely used Operating Systems for website hosting servers. It is one of the many Linux releases available, yet what differentiates it from the rest is its long-term support, which ensures that you will always have a dependable and secure Operating System. Every CentOS version that is released is supported for 10 years, which is a lot longer than with another OS on the market. CentOS also has a much larger developer community than other distributions, therefore in the event you encounter any kind of problem or have some questions, you're able to rapidly find the information which you need. CentOS is regarded as among the best server Operating Systems, as it's very stable and secure, which makes it very reliable even when you host confidential info. Considering that it is open-source, you can modify any 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, since you won't have to pay license fees of any sort.