000			00387nam a2200145Ia 4500
008			241227s9999 xx 000 0 und d
020			_a0198082878
082			_a005.43 _bCHA
100			_aChauhan, Naresh.
245		0	_aPrinciples of operating systems
260			_aDelhi : _bOxford Uni Press, _c1994
300			_a669.
365			_a545
650			_aComputer programmingprograms data
999			_c151185 _d151185