00412nam a2200145Ia 450000500170000000800410001702000180005808200200007610000240009624500560012025000120017626000390018830000150022765000240024220250201095958.0231217s9999    xx            000 0 und d  a9788131725283  a001.642  STA;11  aStallings, William. 0aOperating systems : Internals and design principles  a6th ed.  c2009bPearson EducationaNew Delhi  axviii, 822  aOperating,Internals