CentOS is among the most widely used Linux-based server Operating Systems to choose from. It is used by a large number of website hosting service providers, as 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 very fast and takes negligible resources. In addition, you are able to install 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're able to modify any part of the Operating System according to your needs. The fact that CentOS is free means that you'll need to pay just for your server, but not for any kind of license fees, that will lower your overall expenses. A vast group of developers and users is behind CentOS, and in case you ever experience any problems, or you're simply not sure how to perform a specific task, you will be able to find a solution in no time. A significant benefit of the OS is also the fact that every release is officially supported and updated for no less than 10 years, so that you'll always have a secure and reliable software environment.