GCC cheatsheet

Something that I need for GCC

gcc

#include <stdio.h>
// main.c

int main(void)
{
	printf("Hello World!\n");
}

• Normal Compile & execute

  gcc main.c 
  

  ./a.out
  Hello World!
  

• Naming Option

  gcc -o main main.c
  

  ./main
  Hello World!
  

• redirection

  ./a.out < input.txt
  

• gdb compile

  gcc -g -o main main.c
  

  gdb ./main