"You want to install XP on your machine alongside your existing Linux installation, on the same drive. You have installed Ubuntu already. (If you have already have XP installed, keep an eye out for our upcoming tutorial on how to dual-boot Linux with XP, with XP installed first.)
"We're going to use the Gnome Partition Editor (Gparted) from the Ubuntu LiveCD to shrink the Ubuntu partition on the hard disk and create enough space for an installation of XP. We'll then install XP, and, because XP overwrites the master boot record, we'll restore the GRUB boot loader so that either XP or Linux can be selected at boot time..."
