You need not to make any changes. As you can see, DOSBox comes with its own DOS-like command ... extract it and save the contents file in ~/dosprograms directory. I have save the contents turbo c++ in ...

DosBox, Borland C++ 3.1 and Turbo Pascal 7.0. You don't need both BCPP3.1 and ... And a directory that we mount as floppy in DosBox. So, create a directory for the floppy drive, and add a line in the ...