CentOS is one of the most preferred Linux-based server Operating Systems nowadays. It is preferred by a lot of website hosting service providers, because it's very stable, reliable and secure, not to mention that it can be customized freely, since it is an open-source OS. CentOS is used for production servers, because it is also very fast and takes minimal resources. What's more, you're able to set up and run any kind of web app, provided that it can run on a Linux equipment. When you use a CentOS-powered server, you can customize any part of your Operating System according to your specifications. The fact that CentOS is absolutely free also means that you will need to pay just for your server, and not for any kind of license fees, which will cut down your overall expenses. A huge group of developers and users is behind CentOS, so if you ever encounter any problems, or you are simply not sure how to perform a specific task, you can discover a solution in no time. An important advantage of the OS is also the fact that every single version is officially supported and updated for a minimum of ten years, so you will always have a secure and dependable software environment.