"David V. Corbin" wrote: > > Quite true for Windows 3.1, 3.11 95, 98. [i.e. NOT an OS] > Not true NT3.51, NT4.0, 2000, 2003. [i.e. Validly called an OS] > Debatable for XP, ME Why debatable for XP, ME? They are based on NT as well, aren't they?