Disk
http://www.dataclinic.co.uk/data-recovery/hard-disk-functionality.htm
http://thestarman.pcministry.com/asm/mbr/DriveOffsets.htm
MBR
http://thestarman.pcministry.com/asm/mbr/PartTables.htm#mbr
EBR
http://en.wikipedia.org/wiki/Extended_boot_record
BIOS Parameter Block
http://thestarman.pcministry.com/asm/mbr/GRUBbpb.htm
http://bootmaster.filerecovery.biz/appnote3.html
Floopy disk
http://en.wikipedia.org/wiki/Floppy_disk
Inside the Linux boot process
http://www.ibm.com/developerworks/linux/library/l-linuxboot/
Linux initial RAM disk (initrd) overview
http://www.ibm.com/developerworks/linux/library/l-initrd.html

查看initrd.img文件：

[root@localhost fd_linux]# pwd
/root/fd_linux
[root@localhost fd_linux]# cp /boot/initrd-2.6.9-78.EL.img .
[root@localhost fd_linux]# ls
initrd-2.6.9-78.EL.img
[root@localhost fd_linux]# file initrd-2.6.9-78.EL.img
initrd-2.6.9-78.EL.img: gzip compressed data, from Unix, max compression
[root@localhost fd_linux]# mv initrd-2.6.9-78.EL.img initrd-2.6.9-78.EL.img.gz
[root@localhost fd_linux]# gunzip initrd-2.6.9-78.EL.img.gz
[root@localhost fd_linux]# ls
initrd-2.6.9-78.EL.img
[root@localhost fd_linux]# file initrd-2.6.9-78.EL.img
initrd-2.6.9-78.EL.img: ASCII cpio archive (SVR4 with no CRC)
[root@localhost fd_linux]# cpio -i –make-directories <
initrd-2.6.9-78.EL.img
3376 blocks
[root@localhost fd_linux]# ls
bin dev etc init initrd-2.6.9-78.EL.img lib loopfs proc sbin sys sysroot