Linux Boot Process

overview

source

BIOS

boot loader

A boot loader, also called a boot manager, is a small program that places the operating system (OS) of a computer into memory. source

MBR

GRUB/LILO

Kernel

Kernel Image in the Linux Boot Process

When the images are loaded, the second-stage boot loader passes control to the kernel image and the kernel is decompressed and initialized. source

/boot/vmlinuz, /boot/vmlinuz-kernel-version

Normally the kernel or symbolic link to the kernel. source

Inside the Linux boot process

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