Linux is an Operating System, which isn't that commonly used for desktop machines, but is among the most frequently used OSs for servers. It's 100 % free, so you shall not have to pay any license charges as part of your hosting payments. Linux is furthermore regarded as being the most risk-free OS around and due to the permissions that files have and the file types that can be run, virus files that can infect a normal personal computer shall simply not be executed on a Linux-based web server. Furthermore, the Operating System is 100 % free, so it can be customized without any constraints, so as to match the needs of the hosting provider and their customers. This also means that needless software packages can easily be removed to make the OS lighter and faster, that may directly lead to a lot better hosting server performance. Numerous Linux machines have the Apache web server installed on them, since this application is also absolutely free, quick and reliable. It's the most popular web server out there and is an element of the LAMP bundle that lots of script apps, including WordPress and Joomla™, require. LAMP is an abbreviation for Linux, Apache, MySQL and PHP.
Stable Linux with Apache in Shared Website Hosting