"This HOWTO specifically details how to create a dual
boot system using Redhat Linux 7.2 and Windows XP with a NTFS file
system using the GRUB boot loader.
The Problem: The problem was stumbled upon after I successfully
persuaded my Windows XP-using-friend to install Redhat Linux 7.2
onto the empty end of his hard drive. "Sure." I tell him, "dual
booting will be no problem!" A few days later he calls me up
frustrated saying that he can no longer access his Windows XP
The procedure I gave to my friend for the install was one that I
had learned from past experience. Knowing how MS Windows XP likes
to overwrite the MBR(Master Boot Record)..."