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

I found this link with directions:

http://www.wesg.ca/2007/11/how-to-write-and-compile-c-programs-on-mac-os-x/

Basically you do:

gcc hello.c
./a.out (or with the output file of the first command)