Linux is an OS, which isn't that popular for desktop machines, but is one of the most popular OSs for web servers. It is 100 % free, so you shall not need to pay any license charges as part of your web hosting payments. Linux is additionally regarded as being the most risk-free OS nowadays and due to the permissions that files have along with the file types that can be run, virus files which may infect an average personal computer shall simply not be executed on a Linux-based hosting server. In addition, the Operating System is freeware, so it can easily be customized without any restrictions, so as to match the needs of the web hosting provider and their customers. This also implies that needless software packages could be removed to make the OS lighter and a lot quicker, which could directly result in significantly better hosting server performance. Lots of Linux machines have the Apache web server installed on them, since this program is also free, quick and reliable. It is the most widely used web server out there and is a part of the LAMP bundle that numerous script applications, such as WordPress and Joomla™, require. LAMP is an abbreviation for Linux, Apache, MySQL and PHP.