In 2 gb HD .I had installed debian linux in 900 mb partition and lilo in "MBR" .After that I have installed RedHat in another 900 mb partition ,while installing redhat I have not installed lilo neither in mbr nor in first sector of partition Now there are 2 partition each of 900 mb .1 which has debian and another which has redhat .Now I have to configure lilo to boot both debian and redhat since redhat partition doesn't have lilo installed on it .so I am not able to boot redhat. Regarding this I have gone through the How to's also .but no way