DOS, UNIX and other character applications had no design standards to follow. Every developer created their rules and styles. True Windows applications behave in a very predictable fashion. This makes them more user friendly . The F1 key always provides Help .
Help is supplied is a standard format.
The tab key moves you from field to field. The keyboard and mouse can be used interchangeably. Menu selections work in a similar manner. Today, most new computers come with these applications. Young users find UNIX and DOS to be foreign .