A boot loader, also called a boot manager, is a small program that places the operating system (OS) of a computer into memory. … If a computer is to be used with Linux, a special boot loader must be installed. For Linux, the two most common boot loaders are known as LILO (LInux LOader) and LOADLIN (LOAD LINux).

What does a Bootloader do?

A bootloader is a vendor-proprietary image responsible for bringing up the kernel on a device. It guards the device state and is responsible for initializing the Trusted Execution Environment and binding its root of trust.

What is GRUB bootloader in Linux?

GRUB stands for GRand Unified Bootloader. Its function is to take over from BIOS at boot time, load itself, load the Linux kernel into memory, and then turn over execution to the kernel. … GRUB supports multiple Linux kernels and allows the user to select between them at boot time using a menu.