First Windows Os ^new^ -

+-------------------------------------------------------+ | MS-DOS Executive (Windows 1.0 File Manager) | +-------------------------------------------------------+ | File View Special | |-------------------------------------------------------| | A B C | | | | C:\WINDOWS | | NOTEPAD.EXE | | PAINT.EXE | | CALC.EXE | | REVERSI.EXE | +-------------------------------------------------------+ Windows could not overlap on the screen.