Kernel /boot/vmlinuz file=/cdrom/preseed/ed boot=casper noprompt cdrom-detect/try-usb=true persistent quiet splash The following process will enable you to create a Boot CD that can be used to Boot Ubuntu 8.10 from a USB Flash drive on systems that do not natively support booting from USB.
USB Boot CD for Ubuntu 8.10 creation essentials Used to boot flash drives created using the Windows USB Ubuntu 8.10 tutorial Could also be used to Boot Ubuntu from a USB Flash Drive on Apple Mac, Macbook and, Macbook Pro.