hey guys i just want to know that if it is possible to burn my ubuntu 8.4 iso on usb flash drive and use it to boot my pc and work on it. or if it can be installed on flash drive through live cd and don't even touch my orignal mbr i.e if i want to use linux i just simply put in pendrive ant boot from it and when i want to use vista jst remove the pendrive and boot normally no change to bootloader at all. tell me tried and tested method coz i cant afford to curropt windows.
thanx
thanx