Linux is an OS, that isn't that popular for desktop machines, but is among the most commonly used OSs for web servers. It is 100 % free, so you will not need to pay any license costs as part of your website hosting payments. Linux is also regarded as the most risk-free OS these days and due to the permissions which files have as well as the file types that can be run, virus files that can infect a regular computer system will simply not be executed on a Linux-based server. Additionally, the Operating System is absolutely free, so it can easily be changed with no limitations, as a way to suit the needs of the web hosting company and their customers. This also implies that unneeded software packages can be removed to make the OS lighter and quicker, which can directly lead to a lot better server performance. A lot of Linux machines have the Apache web server set up on them, because this software is also absolutely free, quick and secure. It's the most frequently used web server available and is a part of the LAMP bundle that a lot of script applications, such as WordPress and Joomla™, require. LAMP is an abbreviation for Linux, Apache, MySQL and PHP.
Stable Linux with Apache in Cloud Hosting