CentOS is amongst the most popular Linux-based server Operating Systems nowadays. It's employed by lots of hosting providers, because it's very stable, secure and reliable, not to mention that it is freely customizable, because it's an open-source OS. CentOS is used for production servers, as it's also very fast and takes minimal system resources. On top of that, you are able to install and run any web application, as long as it can run on a Linux machine. When you use a CentOS-powered server, you can edit any part of your Operating System in accordance with your specifications. The fact that CentOS is absolutely free means that you'll have to pay just for your server, but not for any kind of license fees, which will cut down your overall expenses. A huge team of developers and users stands behind CentOS, so that if you ever experience any kind of problems, or you are simply unsure how to perform a certain task, you'll be able to discover a solution right away. A significant benefit of the OS is also the fact that each release is officially supported and updated for at least 10 years, so that you'll always have a secure and reliable software environment.