This tutorial explains how to create a USB Boot CD that can be used to boot Kubuntu 9.04 from a USB flash drive on computers utilizing a system BIOS that does not natively support booting from USB. Kubuntu is a derivative of Ubuntu that uses the KDE desktop environment instead of Gnome. The USB boot CD created using this tutorial launches the initrd and vmlinuz kernel from the CD along with the necessary USB drivers, and then proceeds to locate the filesystem on the USB drive. Because the USB driver modules are preloaded from the initrd on the CD, the compressed filesystem can then be detected and loaded from the USB device.

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