IN THIS CHAPTER
To begin understanding how your Linux computer works, you need to know how it starts. Booting in Linux is a three-step process; during this process, the computer’s basic input/output system (BIOS) starts the machine’s hardware without a care as to what operating system its owner (you) wants to run.
It hands control of the machine to a boot manager (such as LILO or GRUB), which does care about finding at least one operating system on the machine.
Finally, you tell the boot manager what file ...