CentOS is one of the most popular Linux-based server Operating Systems available on the market. It's employed by a lot of website hosting providers, because it's very stable, secure and reliable, not to mention that it can be customized freely, because it's an open-source OS. CentOS is used for production servers, because it's also very fast and takes negligible resources. What's more, you are able to set up and run any kind of web app, provided that it can operate on a Linux device. When you use a CentOS-powered server, you will be able to change any part of your Operating System according to your requirements. The fact that CentOS is free means that you'll need to pay for your server, but not for any kind of license fees, which will cut down your overall expenses. A vast group of developers and users is behind CentOS, so that in case you ever experience any kind of problems, or you are simply not sure how to perform a specific task, you'll be able to discover a solution quickly. 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 will always have a safe and reliable software environment.