000			00361nam a2200133Ia 4500
008			240913s9999||||xx |||||||||||||| ||und||
082			_a005.43 SIN/A
100			_aMukesh Singhal, andNiranjan G. Shivaratri
245		0	_aAdvanced concepts in operating systom
250			_aNULL
260			_bTata Mc Graw Hill _aNew York _c2011
300			_a522
942			_cBKS
999			_c19216 _d19216