ydl2.2 on powermac 4400 how to install?

[Peter Zechmeister]

i have downloaded the rome-iso and burnt it on cd. now - as bloody newbie in
linux and mac too - i am even not able to do the first steps of installing
it.
i have mac os 8 on the machine, but i want to get rid of it completely,
because i only need linux on it.
is it possible to start the install-process by booting from this cd (with
the "c"-key)? i guess not, because there is no system-folder (or whatever)
on it.
beside that, i am not able to split the first and only partition from the
harddisk into two parts (i do not have the mac-os cd). is this necessary?
is succeeded in installing bootx on mac os 8, but after that, trying to boot
linux only leads to errors (missing second partition?).

is there a way to use any kind of start-disk on mac to get access to the
ydl-installation-cd, likely known from windows?

sorry for annoying you with foolish things like that, but i am at my wit`s
end...

peter