formatting partitions with two filesystems

[Dan Mundy]

Erpo wrote:
> Someone emailed me rather than the list about a post I made regarding
> transparently encrypting filesystems. Due to a bug I just discovered in
> my mail client (Evolution 2.0.4) it would be a hassle to reply to that
> message. However, that person is on the list, so here is my reply:
> 
> It is not possible for a partition to contain two separate filesystems
> simultaneously, at least in a way that allows two different OSs with no
> filesystems in common to share data. It is probably impossible to create
> even a useless partition that is formatted with two filesystems
> simultaneously.
> 
> FAT32 serves this purpose well enough for sharing unencrypted data
> between linux and windows, although, as a side note, I hardly think this
> is an excuse for the vast array of poorly implemented NTFS drivers for
> linux and ext2/3 drivers for windows. What a mess!
> 
> Even if a partition could somehow be treated as an ext3 filesystem and a
> FAT32 filesystem at the same time, it would not solve Hernan's problem
> because he requires transparent encryption from two OSs operating on a
> shared data storage area.
> 
> 
> Eric

i see... anyway, it was worth a try!  i wasn't really serious, but on 
the off-chance something like that existed, i could find out how to use 
it, and so could hernan.

Dan