CentOS is among the most widely used Linux-based server Operating Systems today. It's used by countless web hosting providers, because it's very stable, reliable and secure, not to mention that it can be customized freely, since it's an open-source OS. CentOS is used for production servers, because it's also really quick and takes negligible system resources. Furthermore, you are able to set up and run any kind of web app, as long as it can run on a Linux device. When you use a CentOS-powered server, you can customize any part of the Operating System in accordance with your requirements. The fact that CentOS is free of charge also means that you'll have to pay for your server, but not for any kind of license fees, which will lower your overall expenses. A huge community of developers and users stands behind CentOS, and in case you ever encounter any kind of problems, or you are simply not sure how to perform a specific task, you'll be able to find a solution in no time. An important benefit of the OS is also the fact that every single version is officially supported and updated for at least ten years, which means that you'll always have a safe and reliable software environment.