000 00323nam a2200145Ia 4500
100 _aDietel/Harvey M
942 _cRB
654 _aoperating
245 _aIntroduction to Operating system
260 _bADDISON WESLEY
_aMassachusetts
_c1984
082 _a1.642
_bDIE
300 _a673
546 _aENGLISH
999 _c19873
_d19873