I will be following the quick tutorial from 'ProgrammingKnowledge' channel on Youtube. The link is : https://www.youtube.com/watch?v=-CpG3oATGIs The setup on my machine was done by following instructions from 'Learn C the Hard Way' by Zed A. Shaw. Will be using GNU Compiler (gcc (Ubuntu 8.3.0-6ubuntu1) 8.3.0). The sequence to be followed is: 1.main 2.gain 3.pain