CentOS is amongst the most sought after Linux-based server Operating Systems today. It is used by countless web hosting suppliers, because it's very stable, reliable and secure, not to mention that it can be customized freely, since it's an open-source Operating System. CentOS is used for production servers, for the reason that it's also really quick and takes negligible system resources. Furthermore, you'll be able to set up 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 the Operating System according to your preferences. The fact that CentOS is absolutely free means that you'll have to pay for your server, and not for any sort of license fees, that will cut down your overall expenses. A large team of developers and users is behind CentOS, therefore if you ever encounter any problems, or you are simply unsure how to perform a particular task, you can find a solution in no time. An important benefit of the OS is also the fact that every single release is officially supported and updated for no less than ten years, so that you'll always have a secure and reliable software environment.