> Comment #1404 {link}, which [...] means that a full DVD, which is
> usually over 4GB cannot be stored on most of our supported filesystems.
> That is, apart from ext2/ext3 [...] which we have a filesystem for

...and (apart from apparently non-recommended IceFS) also ExFAT and NTFS-3G.

> would it be possible to [...] have the downloads directory on the
> EXT2 filesystem media and save the download on that filesystem
> for it to be used from there?

Certainly. And the medium with such partition can also be an internal one.

> would it be possible to launch Jalapeno either from such a (EXT2)
> filesystem and/or get it to create a DVD that is as full as a DVD-R/W
> can be, even via concatenation by using the EXT2 filesystem?

I see no reason why it wouldn't.