How did people here learn GUIs

[Kyle]

Oh wow Paul! Thanks for the 4DOS memories! That little thing was simply 
the best thing for DOS ever made <smiles>. Believe it or not, I read 
somewhere that 4DOS may actually be open source now, and that it runs 
like a dream under FreeDOS. In any case, that was a fun little trip down 
memory lane, as it also sparked a memory of my Apple //e days in the mid 
to late 1980's as well. Good old Applesoft BASIC, DOS3.3 and of course 
ProDOS. Ah, those were the days. Did someone say Echo II? LOL.
Sent from the days of wild