000			00443nam a2200181Ia 4500
008			201023s9999||||xx |||||||||||||| ||und||
020			_a000000-0000000
100			_aNutt, Gary
245		0	_aOprating System
250			_a1st
260			_aNew Delhi _bPearson _c2008
300			_a928
365			_b499
650			_aComputer Science.
942			_cTB
999			_c1688 _d1688