00343nam a2200133Ia 4500008004100000020001500041041001200056082001600068100001700084245005900101260002500160300000800185650001600193221030s9999    xx            000 0 und d  a0070483329  aEnglish  a105.23bHar  aJ. A. Harris 0aSchaum`s Outline of Operating Systemscby J. A. Harris  bTMHaNew Delhic2006  a234  aBE Computer