CentOS is one of the most widely used Linux-based server Operating Systems available on the market. It's preferred by a lot of website hosting suppliers, since it is very stable, reliable and secure, not to mention that it can be customized freely, because it is an open-source OS. CentOS is used for production servers, for the reason that it's also very fast and takes negligible resources. Furthermore, you are able to install and run any kind of web application, as long as it can operate on a Linux equipment. When you use a CentOS-powered server, you're able to adjust any part of the Operating System in accordance with your needs. The fact that CentOS is free of charge also means that you will need to pay for your server, but not for any license fees, which will lower your overall expenses. A vast team of developers and users stands behind CentOS, and if you ever encounter any kind of problems, or you're simply not sure how to perform a specific task, you'll be able to find a solution in no time. A significant advantage of the OS is also the fact that every release is officially supported and updated for a minimum of ten years, so that you'll always have a safe and stable software environment.