00417    a2200133   4500020001500000082001800015245002800033260003000061300001800091650004000109650001300149650004400162650007700206  a0256127336  a005.3682bINT  aIntroduction to DOS 5.0  aBostonbIRWINc1992g1992  av,183p.c28cm  aPrograms for digital microcomputers  aPrograms  aPrograms for specific operating systems  aPrograms for specific operating systems and for specific user interfaces