Linux is an OS, that isn't that common for desktop machines, but is among the most widely used OSs for servers. It is absolutely free, so you won't have to pay any license fees as part of your website hosting payments. Linux is furthermore regarded as the most secure Operating System nowadays and due to the permissions which files have and also the file types that can be run, virus files that may infect a standard PC shall simply not be executed on a Linux-based hosting server. Additionally, the OS is absolutely free, so it can easily be customized without any restrictions, as a way to match the needs of the hosting provider and their customers. This implies that unnecessary software packages can be removed to make the Operating system lighter and swifter, that can directly contribute to much better hosting server performance. A large number of Linux machines have the Apache web server installed on them, because this piece of software is also absolutely free, fast and secure. It's the most commonly used web server available and is an element of the LAMP bundle that lots of script apps, such as WordPress and Joomla™, require. LAMP is an abbreviation for Linux, Apache, MySQL and PHP.