CentOS is among the most popular Linux-based server Operating Systems nowadays. It's used by lots of website hosting providers, since it is 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, for the reason that it is also very fast and takes minimal resources. Furthermore, you're able to set up and run any kind of web app, provided that it can operate on a Linux machine. If you use a CentOS-powered server, you can edit any part of the Operating System according to your needs. The fact that CentOS is free also means that you will have to pay for your server, and not for any kind of license fees, that will minimize your overall expenses. A huge group of developers and users stands behind CentOS, so in case 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. An important advantage of the OS is also the fact that every version is officially supported and updated for no less than 10 years, which means that you'll always have a secure and dependable software environment.