000			00290nam a2200133Ia 4500
008			220613s9999||||xx |||||||||||||| ||und||
100			_aGupta,C.
245		0	_aOperating Systems
250			_a2008
260			_bDelhi: Dhanpat Rai & Co.
300			_a8.25
650			_aCS
942			_cENG
999			_c13215 _d13215