How to compile and run C/C++ in a Unix console/Mac terminal?

Question

How can I compile/run C or C++ in Unix console or a Mac terminal?

(I know it, forget it, and relearn it again. Time to write it down.)

Answer 1

Running a .C file using the terminal is a two-step process. The first step is to type gcc in the terminal and drop the .C file to the terminal, and then press Enter:

username$ gcc /Desktop/test.c 

In the second step, run the following command:

username$ ~/a.out