>>>Until now I booted my Slack with a floppy. Now I want to boot it
>>>directly from harddisk. As I read 'man lilo', I understand it says that
>>>'lilo -M' will write lilo to the MBR. Is this a correct assumption?
>>>
>>
>> No. That's the wrong thing to do. That installs a standard MBR, and is
>> intended as a way to uninstall lilo if you've lost your boot sector
>> backup. The correct way to do it is lilo -b /dev/hdx or /dev/sdx
>> (whichever hard disk it is). Or change the boot= line in lilo.conf.
> the boot= line says /dev/hdc2. So 'lilo -b /dev/hdc' will install lilo
> in the MBR of /dev/hdc and I will be booting OK?

Yes, that will be fine. But if you plan on keeping it there long-term, it's
probably better style to change lilo.conf to say boot=/dev/hdc and then you
can run lilo without any options.