Ubuntu on pendrive

[Richard Owlett]

Avi Greenbury wrote:
> ghana.computeraid at gmail.com wrote:
>> What is the most easy way to put ubuntu on a pendrive? Preferably
>> withtout leaving windows
>
>
> Probably unetbootin[0]. When you say you want to "put ubuntu on a
> pendrive", what do you then want to do with that pendrive? There's two
> common similar-but-different use-cases:
>
> 1) A 'live USB' system. On this system, you can boot off the USB stick
> into a working Ubuntu install. When you shut down, you lose any chanegs
> you've made and the next time you boot off it you get a new system.
>
> 2) A system installed onto the USB stick, such that on boot you get an
> option between your existing OS (Windows) and the Ubuntu on the USB
> stick.
>
> Unetbootin does option 1, 2 is a bit more tricky, but quite doable if
> that's what you're after.
>

I don't know about OP, BUT I'd definitely like a pointer to
                     _CLEAR *AND* CORRECT_
instructions for a modified option 2 -- pendrive must be 
bootable when BIOS selects as boot device. My goal is having 
identical environment whether using my laptop or desktop 
machine.