I attempted to install SFU on FAT in Win2k.  It refused, I want to say it 
offered to upgrade the filesystem to NTFS, but i can't remember 100%.

I suppose its possible that WinXP can use it on a FAT filesystem, as I never 
tried...but i doubt it.

On Tuesday 15 February 2005 7:07 am, Richard Rauch wrote:
> On Sat, Feb 12, 2005 at 10:47:07PM +0100, Matthias Buelow wrote:
>  [...]
>
> > installer files and that is it, very easy to set up.  And it's a lot
> > cleaner than the Cygwin mess, and, unlike Interix, it also works on XP
> > Home, and Win98/ME etc.
>
> ...and more recent discussion reveals that Interix also works on XPHome?
>
> When I perused the Interix site, I thought that it said that it was
> *better* to have NTFS, but did not go so far as to say that NTFS was
> required (tying into a reply from someone else; sorry I can't reply
> directly since I wasn't on the To:/Cc: list...).