Well, ubuntu is pretty sluggish on a live CD.
Some good live CDs are
slax (try the killbill edition)
And
Knoppix
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DSL(Damn Small Linux)
What is special about DSL is that it can boot off of a USB storage device.
Required:
1. Download DSL
2. Download
Syslinux3.11
3. Download
Hp Format Utility
How To:
1. Insert your USB Storage Device into an empty USB slot on your PC
2. Open Hp format utility and format accordingly:
* Device: The name and capacity of your storage device
* File system: FAT
* Volume label: Name it what you want (I chose LINUX)
3. Download and Extract all the files from syslinux-3.11 to a folder named Syslinux on your primary hard drive (mine is C
4. Go to the Run Menu (Click Start> Run) and open the Command Prompt by entering cmd and pressing Enter (or Click OK).
5. At the Command Prompt type cd c:\syslinux\win32 (substitute c: for the drive letter of your hard drive) and Press Enter
6. Type syslinux.exe -f F: (F: reprents the drive letter of my USB Device. Yours may be different. GET THIS RIGHT). Press Enter.
All Done!
Keep your USB Device plugged in and Reboot your PC.
Enter your BIOS setup (usually by pressing F2 or DEL) and set your Boot order to boot from the USB Device First. Exit your BIOS and Save the Changes.
If it works, you should see this: