Labels:text | screenshot | font | number | display | line OCR: Figure 1 Etymology of test programs 121TEST.C > 121TEST.OBJ 121TEST.EXE [DOS, Windows & NTDOS boxes] 7 121TEST.EXP [DOS/16M in DOS, & DOS boxes] 121TEST.WOB W21TEST.EXE [WinApp] > 121TEST.POB > P21TEST.EXE [PharLap in DOS & DOS boxes] 121TEST.XOB > X21TEST.EXE [DPMI in Windows & NT DOS boxes]
