In linux, programming in C++ invariably means you're using the g++ compiler, and compiling and running C++ programs is virtually identical to what you saw with C programs.
Assuming you have the trivial program in hi.C:
#include "iostream.h" int main() { cout << "hi there\n" ; }you can compile this program and run the resulting executable in one of three ways:
$ g++ hi.C $ g++ hi.C -o hi $ make hi