i tried to do tht.i logged on as root(via Ctrl+Alt+F2) and unmounted the cd via root console but failed to eject it. moreover can anybody suggest me how to pass more then one arguments at the boot prompt of Knoppix3.2 cd.i want to pass "knoppix xvrefresh=60" and "single user mode command i.e knoppix1" simultaneously. try seperating them with ORs ie '|' that shud work... plz try n avoid html content in yr mail if u havd so, plain text content is better plz help me out.thanks in advance. micky.