000 00309nam a2200133Ia 4500
020 _a9788126508853
082 _a005.43
100 _aAbraham Silberschats
_9772
245 0 _aOperating System Concepts
250 _a6
260 _aJohn Wiley & Sons
_bNew Delhi
_c2007
650 _aCOMPUTER
_931
942 _cBK
999 _c11347
_d11347