000			00354nam a22001337a 4500
020			_a9780070611948
082			_222 _a005.43
100			_aDhamdhere, D. M.
245			_aOperating systems : _ba concept- based approach /
250			_a2 nd.
260			_aNew Delhi, _bMc Grew Hill, _cc2009.
300			_axviii,789 p. ; _bill. ; _c24 cm.
942			_2ddc _cIT _03
999			_c1660 _d1660