What you will notice is the lack of traditional windows, with graphical desktop interfaces a hot button issue through most of the late 80s and early 90s, before modern operating systems totally figured it out. Windows and Mac OS hadnt solidified the desktop environment just yet in the general public. Hence why VisiCalc killer, Lotus 1 2 3, despite being far more advanced than its competitor, still looks like raw terminal output. That was what graphical user interfaces were before...