000			00354nam a2200145Ia 4500
008			230913s9999 xx 000 0 und d
082			_a5.43 CHO
100			_aChoudhury, Pabitra Pal
245		0	_aOperating System:Principles And Design
260			_aNEW DELHI
260			_bPHI
260			_c2009
300			_a640
650			_aComputers Engineering
999			_c127790 _d127790