I don't recall if this is accurate, but an example would be wanting to make a note in a text file. Under Excel and captive Windows you would have to save and q

I don't recall if this is accurate, but an example would be wanting to make a note in a text file. Under Excel and captive Windows you would have to save and quit, exit Windows, start your note app under DOS, take the note and then repeat the sequence in reverse order (perhaps minutes). Under a DOS app, you hit the hot key for your TSR[0], made the note and continued (a few seconds). As the series mentioned, being a power user under DOS was very productive. Lotus 1-2-3 especially had a notable menu/macro system, as did WordPerfect etc. GUI environments are not very useful for one program. They have far higher system requirements, and perform slower than native text environments. And they especially do not play nice with others. This is why there was so much scepticism at the time amongst those paying money for hardware and software. Of course new customers and more of them were just on the horizon as the series will soon reach. [0] https://en.wikipedia.org/wiki/Terminate_and_stay_resident_program https://en.wikipedia.org/wiki/Terminate_and_stay_resident_pr...