Labels:text | screenshot | line | number | parallel | font OCR: Unix (any type) 25ºº Windows 9x 65% Windows NT 10 20 30 40 50 60 70 80 Windows NT 70% Windows 9x 65% Unix (any type) 25% Windows.3.x 189% DOS 11% MacOS 2% Others 20% Which operating system do you develop software for?