DOS and its command-line interface still
                                lurk in Windows, but the Mac OS has
                                always had a graphical user interface. 



Wasn't DOS supposed to go away when Windows 95 was released? But text files such as
                       SYSTEM.INI and WIN.INI still exist in Windows 95 and Windows NT in many cases. In
                       addition to these complex files, Windows 95 and Windows NT now add two Registry files,
                       SYSTEM.DAT and USER.DAT. If your PC is not running correctly, you might need to edit
                       some or all of these files in a text editor or the special Registry editor. A mistake here could mean
                       that these text-based files might be irreparably damaged, making the PC unusable. 


Because of its true graphical user interface, you will never have to type obscure system
                       commands on a Macintosh. Macintosh computers have never had a command-line interface;
                       instead, the designers saw a graphical user interface as a way to control all aspects of the
                       computer.