CentOS is among the most popular Linux-based server Operating Systems available on the market. It's used by a large number of web hosting service providers, because it's very stable, secure and reliable, not to mention that it can be customized freely, because it's an open-source Operating System. CentOS is used for production servers, as it is also very quick and takes negligible resources. Furthermore, you're able to install and run any kind of web application, as long as it can operate on a Linux machine. When you use a CentOS-powered server, you will be able to edit any part of your Operating System according to your specifications. The fact that CentOS is free means that you'll have to pay just for your server, but not for any license fees, which will reduce your overall expenses. A vast team of developers and users is behind CentOS, so if you ever experience any problems, or you are simply not sure how to perform a certain task, you'll be able to discover a solution very quickly. An important benefit of the OS is also the fact that each and every version is officially supported and updated for at least 10 years, so you'll always have a secure and dependable software environment.