Exactly how do you create multi-file project and how do you compile it in C++ using Linux?
A programmer that says an editor is the answer...geesh. The answer is with the include statment with something like this...
For more info just look up the uses of the include in C/C++
[High Guard]Just follow the links before start typing nonsenses.
The 2nd one will TEACH you what the #include directive is intended for.[/High Guard]
You might also wish to look up and how to write makefiles. Unfortunately, I do not remember the exact sequence anymore, as I have moved on to system administration instead of programming, but makefiles can really make your life easier.