oohayulin's googlepages - OS Dev Resource

OS structuring:

JamesM's kernel development tutorials
http://www.jamesmolloy.co.uk/tutorial_html/index.html 

Bran's Kernel Development Tutorial: The Basic Kernel
http://osdever.net/bkerndev/Docs/basickernel.htm 

Grub boot kernel: 

Brae bones for using Grub to boot kernel
http://www.osdev.org/wiki/Bare_bones 

Using Grub to boot kernel
http://www.osdever.net/tutorials/grub.php