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I am terrified that if I do that the WinXP disk (hda) will get fouled up. Is it a requirement that grub go into the MBR? I thought that if I copied the first 512 bytes from the /boot partition on the FC2 disk to a file on the C: drive that the NTLOADer could then call grub? I looked at the W98 steps and if looked like putting grub in the MBR was required then but WXP can load the file then boot FC2. OF couse that is what I have tried and failed. Grub just boots to a grub prompt.
By convention device files have certain names and many system programs have knowledge about these names compiled in. They expect your IDE disks to be named /dev/hd* and your SCSI disks to be named /dev/sd*. Disks are numbered a, b, c and so on, so /dev/hda is your first IDE disk and /dev/sda is your first SCSI disk. Both devices represent entire disks, starting at block one. Writing to these devices with the wrong tools will destroy the master boot loader and partition table on these disks, rendering all data on this disk unusable or making your system unbootable. Know what you are doing and, again, back up before you do it.
Primary partitions on a disk are 1, 2, 3 and 4. So /dev/hda1 is the first primary partition on the first IDE disk and so on. Logical partitions have numbers 5 and up, so /dev/sdb5 is the first logical partition on the second SCSI disk.
what i meant was that
hda is not the first partiton as understood above my last post
and it is the MBR the first 512 bytes that come before hda1,so when we install lilo or grub on hda we mean that we are installing them on the MBR