00386nam a2200145Ia 4500008004100000020001500041041001200056082001100068100001500079245007600094260002500170300000800195650001600203700002100219221030s9999    xx            000 0 und d  a0070472688  aEnglish  a105.23  aM. Singhal 0aAdvanced Concepts in Operating Systemscby M. Singhal, N. G. Shivaratri  bTMHaNew Delhic2009  a522  aBE Computer  aN. G. Shivaratri