When using testdrive for Precise release, do you "install ubuntu" or "try ubuntu"?
closed as not a real question by Uri Herrera, Amith KK, John S Gruber, jokerdino♦, izx Aug 25 '12 at 23:54
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Live mode is used to see whether all hardware / software functionality is working fine before any installation. Changes are lost on reboot (while running from CD, i never tried from usb)
Choose modes as per your requirement. :)