Each and every notebook or desktop or web server is run by an Operating System - the low-level software which communicates with the computer hardware, including peripheral devices such as a mouse and a printer, as well as any apps that are present on the system. Any program input using a command line or a Graphical User Interface (GUI) is processed by sending an Application Program Interface (API) request to the OS. On a web server, every single application runs within the parameters defined by the OS as well - priority, physical memory, processing time, and so on. This is valid for both standard site scripts and server-side software such as a media server. When a virtual server is created on a physical one, there can be two separate Operating Systems, called guest OS and host OS, which means that you'll be able to set up a different software environment on the very same machine.
Multiple OS in Dedicated Servers
The dedicated servers that we offer come with as many as three different Operating Systems as we want to offer you more flexible plans which will permit you to install and run any kind of web software whatever its system requirements. The options are CentOS, Debian and Ubuntu and these 3 OSs are some of the most dependable and secure ones, not mentioning that they don't have any license costs. All three have thousands of developers who have created a large number of software packages that you may install and use on your hosting server. We also offer three internet hosting Control Panels and which one you can use will depend on the Operating System that you choose when you sign up. In case you need a different OS subsequently, it will not be a problem because we can always reinstall your server. With our Managed Services package we could also keep your OS secure by updating it on a weekly basis with any patches which are released for it.