Early version of UNIX were available only with a command-driven interface. In more recent years, graphical user interfaces have become popular. Explain in your own words why these GUI made an impact on the popularity of this operating system. Solution Graphical user interface is important for the novice users. Linux is mostly used by developers or guys from computer science background. It is easier to interact with the computer with the help of GUI. Most of the user\'s are not familer with the command line interface. Also, to interact efficiently wee need to remember many commands in the unix. GUI is visually intuitivie hence most of the new users prefer GUI or windows based operating system over linux operating system. User can viewe, control, manipulate and toggle through multiple programs. Using mouse and keyboard it is much easier for novice user to interact with the opearting system..