000 00302nam a2200121Ia 4500
020 _a9788131725283
100 _aWilliam Stallings
245 _aOperating Systems: Internals and Design Principles
250 _a6th
260 _c2009
_bPearson Education
_aNew Delhi
300 _axviii+822
942 _cBK
999 _c35434
_d35434