Microsoft Windows (or simply Windows) is a family of graphical operating systems developed by Microsoft. The first version of Windows was Windows 1.0, released on November 20, 1985. The most recent version of Windows for personal...
Linux is a computer operating system (OS) assembled under the model of free and open-source software development and distribution. The defining component of Linux is the Linux kernel, an operating system kernel first released on 5...
OS X (originally Mac OS X) is a series of Unix-based graphical interface operating systems (OS) developed and marketed by Apple Inc. It is designed to run on Macintosh computers, having been pre-installed on all Macs since 2002. O...
Chrome OS is an operating system designed by Google and based upon the Linux kernel. Google announced the project in July 2009, conceiving it as an operating system in which both applications and user data reside in the cloud: hen...