Linux is an Operating System, which isn't that popular for desktop machines, but is one of the most popular OSs for servers. It is absolutely free, so you will not have to pay any license charges as part of your website hosting payments. Linux is furthermore regarded as being the most risk-free Operating System around and because of the permissions which files have and the file types that can be run, virus files that may infect a regular computer system shall simply not be executed on a Linux-based server. In addition, the Operating System is totally free, so it could be customized without any restrictions, so as to match the requirements of the hosting provider and their clients. This implies that unneeded software packages can be removed to make the Operating system lighter and quicker, which can directly lead to significantly better server performance. Numerous Linux machines have the Apache web server installed on them, due to the fact that this application is also free, fast and stable. It's the most popular web server available and is an element of the LAMP bundle that numerous script applications, like WordPress and Joomla™, need. LAMP is an abbreviation for Linux, Apache, MySQL and PHP.