000			00368nam a2200133Ia 4500
008			130729s9999 xx 000 0 und d
020			_a9788131725283
082			_a005.43 _bSTA
100			_aStallings Willam
245			_aOperating Systems, 6th Ed.
260			_aNew Delhi _b PEA _c2009
650			_aComputer Science Engineering _bOperating systems
942			_2ddc _cBK
999			_c2517 _d2517