programming is awesome Who invented C Who are Dennis Ritchie, Brian Kernighan and Linus Torvalds What happens when you type gcc main.c What is an entry point What is main How to print text using printf, puts and putchar How to get the size of a specific type using the unary operator sizeof How to compile using gcc What is the default program name when compiling with gcc What is the official C coding style and how to check your code with betty-style How to find the right header to include in your source code when using a standard library function How does the main function influence the return value of the program