Linux is an Operating System, that is not that frequently used for desktop machines, but is amongst the most widely used OSs for servers. It is absolutely free, so you will not need to pay any license charges as part of your website hosting payments. Linux is additionally regarded as the most reliable Operating System out there and because of the permissions that files have along with the file types that can be run, virus files which can easily infect a normal computer system shall simply not be executed on a Linux-based server. Moreover, the Operating System is absolutely free, so it can be altered without any limitations, so that it will satisfy the requirements of the hosting company and their customers. This also means that unwanted software packages may be removed to make the OS lighter and quicker, which can directly contribute to much better hosting server performance. A lot of Linux machines have the Apache web server installed on them, because this software is also 100 % free, fast and stable. It is the most popular web server around and is an element of the LAMP bundle that lots of script apps, like Joomla™ and WordPress, require. LAMP is an abbreviation for Linux, Apache, MySQL and PHP.