An Operating System is the software that interacts with the hardware of a computer and serves as the intermediary between apps and the hardware, which includes peripherals such as a printer, a computer mouse or a keyboard. When you run an app, it transfers requests to the OS through an API (Application Program Interface) and the communication is done via a command line or a Graphical User Interface (GUI). Just like a personal computer, web hosting servers also have an Operating System that acts as a host for all of the software installed on them, which includes script apps or server-side software such as a flash server, a VOIP server, and so on. A virtual machine can be generated on a physical one, so you will be able to install a guest OS on it and have a different system environment compared to the physical server host OS.
Multiple OS in Dedicated Web Hosting
We offer three Operating Systems with our dedicated server packages - CentOS, Ubuntu and Debian. They are all different Linux distributions and we offer them not only because they're 100 % free so they won't increase the price of your new web hosting server, but also because they are extremely stable and secure. Each one of them is supported by a large community of web developers, so you'll be able to choose from thousands of software packages that you could install on your server if the app that you want to work with has certain requirements. The Operating System will also determine what internet hosting Control Panel you can use as the Control Panels that we offer run on specific OSs only and because we want to provide you with as much flexibility as possible, we offer multiple OSs and multiple Control Panels. If you get a server with a given Operating System, we will change it upon request in case it turns out that you'll need another one. We could also keep your OS updated weekly as part of the optional Managed Services upgrade.