000			00325nam a2200133Ia 4500
008			240913s9999||||xx |||||||||||||| ||und||
082			_aGS 005.43 RIT/O
100			_aBy Colin Ritchie
245		0	_aOperating system
250			_a3rd Ed.
260			_bBPB Publications _aNew Delhi _c1998
300			_a278 p.
942			_cBKS
999			_c6296 _d6296