Compiling simple Hello World program on OS X via command line
Try
g++ hw.cpp./a.outg++ is the C++ compiler frontend to GCC.gcc is the C compiler frontend to GCC.
Yes, Xcode is definitely an option. It is a GUI IDE that is built on-top of GCC.
Though I prefer a slightly more verbose approach:
#include <iostream>int main(){ std::cout << "Hello world!" << std::endl;}