Let me start out by saying who this post is relavant to. Unless you use a operating system with the Linux kernel or similar this is not for you. If you do, this can come quite handy. Init is the underlying program in a linux system which starts everything else. In a way its like the creator, the one who starts everything else. It takes the process id 1. Init is the second most important thing after the kernel it self.

So how do we exploit it. Whenever you boot the machine, it first loads a bootloader such as grub or lilo which boots the linux kernel along with some arguments.