Operating System Interface Design Between 1981-2009 A Graphical User Interface (GUI for short) allows users to interact with the computer hardware in a user friendly way. Over the years a range of GUI’s have been developed for different operating systems such as OS/2, Macintosh, Windowsamiga, Linux, Symbian OS, and more. We’ll be taking a look at the evolution of the interface designs of the major operating systems since the 80′s. in Computerswith evolutionoperatingossystem