CentOS is one of the most popular Linux-based server Operating Systems out there. It is employed by countless hosting providers, because it is very stable, secure and reliable, not to mention that it is freely customizable, because it's an open-source OS. CentOS is used for production servers, because it's also very quick and takes negligible system resources. On top of that, you're able to set up and run any kind of web application, as long as it can function on a Linux device. When you use a CentOS-powered server, you're able to edit any part of the Operating System according to your needs. The fact that CentOS is absolutely free also means that you will need to pay just for your server, and not for any kind of license fees, which will lower your overall expenses. A large team of developers and users stands behind CentOS, so that if you ever have any problems, or you're simply unsure how to perform a specific task, you can discover a solution right away. An important benefit of the OS is also the fact that every single version is officially supported and updated for at least ten years, so that you'll always have a safe and reliable software environment.