000			00352nam a2200145Ia 4500
008			231217s9999 xx 000 0 und d
041			_aEnglish
082			_a001.642 NII;1 R
100			_aNIIT
245		0	_aIntroduction to operating systems
260			_c2003 _bPHI _aNew Delhi
300			_aix+345
650			_aoperating,systems
942			_cAA
999			_c175369 _d175369