000			00411nam a2200145Ia 4500
008			170101s2014 xx 000 0 und d
020			_a8121931649
100			_aRajiv Chopra
245		0	_aOperating System A Practical Approach Concepts Principles System Programming
260			_aNew Delhi _bS Chand _c2014
300			_a569
650			_aComputer Sceince
650			_aOperating Systems
942			_2ddc _cBK
999			_c678743 _d678743