I don't know RH9 and you may have a risk to show my similar grub.conf, but to edit the grub.conf in your FC3 /boot/grub/grub.conf might be solution ? (Although I don't know why I don't need exact dir name '/boot' in grub.conf.) title Redhat9 root (hd0, 2) # your 3rd partition ? kernel /vmlinuz-xxxx # redhat9 exact filename (except /boot dir) initrd /initrd-xxxxx # redhat9 exact filename From: Wilson Woon <thwoon2002@xxxxxxxxx> > I'm trying to install Windows XP, Fedora Core 3 and RedHat Linux 9 all > in one hard disk. At first I installed Windows XP and then Fedora Core > 3. I use the Grub loader to load both of them. However, when it comes > to RedHat 9, I'm not sure how to do? How do I configure the Grub > loader so that it will detect RedHat 9 as well? Do I need to install > the Grub loader when installing RedHat 9 since already have one? > How do I solve this problem? Please help. I don't mind reformatting > the whole HDD if necessary...