CentOS is one of the most popular Linux-based server Operating Systems out there. It's used by a large number of web hosting providers, because it's very stable, secure and reliable, not to mention that it can be customized freely, since it is an open-source Operating System. CentOS is used for production servers, because it is also very quick and takes negligible resources. Furthermore, you'll be able to install and run any kind of web application, provided that it can function on a Linux equipment. If you use a CentOS-powered server, you will be able to change any part of the Operating System in accordance with your needs. The fact that CentOS is free also means that you'll have to pay just for your server, but not for any kind of license fees, that will minimize your overall expenses. A huge team of developers and users stands behind CentOS, therefore if you ever encounter any problems, or you are simply unsure how to perform a particular task, you will be able to find a solution right away. A significant advantage of the OS is also the fact that every release is officially supported and updated for a minimum of ten years, which means that you will always have a safe and stable software environment.