00390nam a2200133   450000100060000000300030000600500170000900800410002603500190006703500180008605000250010424500950012926000320022420857UR20220427165026.0061103|||||||||||||||||||||||||||||||| d  a(janium) 20846  a(janium)20845 4aQA76.76b.O63M5 199110aMicrosoft MS Dosb : users guide and reference for the MS DOS operating system version 5.0  bMicrosoft Corporationc1991