000			00366nam a2200157Ia 4500
008			220224s9999 xx 000 0 und d
020			_a9789352866717
082			_a005.43 _bSTA/O
100			_aWilliam Stallings
245		0	_aOperating Systems
250			_a9th
260			_aNoida _bPearson Education _c2018
300			_aI-31
650			_aCOMPUTER
942			_cBK
999			_c2879 _d2879