CentOS is one of the most widespread Linux-based server Operating Systems nowadays. It's employed by a number of web hosting providers, since it is very stable, reliable and secure, not to mention that it is freely customizable, since it's an open-source OS. CentOS is used for production servers, for the reason that it's also very quick and takes negligible system resources. On top of that, you're able to install and run any kind of web application, provided that it can operate on a Linux machine. When you use a CentOS-powered server, you can edit any part of your Operating System according to your requirements. The fact that CentOS is provided for free means that you will need to pay for your server, and not for any kind of license fees, that will cut down your overall expenses. A large group of developers and users is behind CentOS, therefore in case you ever encounter any problems, or you are simply unsure how to perform a certain task, you'll be able to find a solution very quickly. An important benefit of the OS is also the fact that each release is officially supported and updated for a minimum of ten years, so that you'll always have a safe and stable software environment.