How To Make Sure the System Boots after Re-Installing the Operating
This should work whether you're re-installing Linux or some other,
commercial, operating system:
* Insert a blank, formatted floppy in drive A:
* Save a copy of the boot hard drive's Master Boot Record to the
floppy, by executing the command:
#dd if=/dev/hda of=/dev/fd0 count=1
dd is a standard program on Linux systems. A MS-Windows compatible
version is available from ftp://ftp.gnu.org/, as well as many MS
* Test that the floppy boots the system by rebooting with the floppy
in the A: drive.
* Then you should be able to install the other operating system (on
a different hard drive and/or partition, if you don't want to
* After installation, boot Linux again from the floppy, and
re-install the MBR with the command: /sbin/lilo.