CentOS is one of the most widely used Linux-based server Operating Systems today. It is preferred by a large number of website hosting providers, as it's very stable, secure and reliable, not to mention that it can be customized freely, since it is an open-source OS. CentOS is used for production servers, because it's also very fast and takes minimal resources. What's more, you can set up and run any web app, provided that it can run on a Linux computer system. When you use a CentOS-powered server, you'll be able to customize any part of the Operating System according to your requirements. The fact that CentOS is provided for free also means that you will have to pay for your server, and not for any license fees, that will minimize your overall expenses. A huge team of developers and users is behind CentOS, and in case you ever experience any kind of problems, or you are simply not sure how to perform a certain task, you can discover a solution very quickly. A significant advantage of the OS is also the fact that each and every version is officially supported and updated for no less than 10 years, so you will always have a secure and dependable software environment.