000			00369nam a2200133Ia 4500
008			220217s9999||||xx |||||||||||||| ||und||
020			_a0-07-048294-2
082			_a005.43 DHA
100			_aDhamdhere D. M
245		0	_aOperating systems: a concept based approuch
260			_aTata Mcgraw hill _bNew Delhi _c2003
300			_b295
650			_aOperating systems
999			_c173971 _d173971