CentOS is one of the most popular Linux-based server Operating Systems to choose from. It's preferred by a large number of website hosting providers, since it's very stable, secure and reliable, not to mention that it is freely customizable, since it is an open-source Operating System. CentOS is used for production servers, for the reason that it's also really quick and takes negligible resources. What's more, you're able to set up and run any kind of web application, provided that it can function on a Linux computer system. When you use a CentOS-powered server, you will be able to update any part of the Operating System in accordance with your requirements. The fact that CentOS is provided for free does mean that you'll have to pay just for your server, and not for any kind of license fees, which will reduce your overall expenses. A large community of developers and users is behind CentOS, therefore if you ever encounter any kind of problems, or you're simply not sure how to perform a certain task, you can find a solution quickly. A significant advantage of the OS is also the fact that every single version is officially supported and updated for no less than ten years, which means that you'll always have a safe and stable software environment.