It will be impossible to boot/start a Linux, or any other operating system, without the help of a boot loader. Boot loader plays a major role in bring up the system into running state. Infact the boot loader is the first program, that run's, when a computer is switched on.
Boot loader is the one, who transfers' control to an operating system kernel. Linux booting process requires special attention, and will be doing a dedicated post on that. In this post, we will be concentrating on GRUB(Grand Unified Boot loader), the default boot loader, for many Linux distributions.
