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Re: exFAT as the new "portable" filesystem?

What about UDF (the file system for rewritable optical media)? Is it possible 
to put UDF on other media without problems?
Its open, available across multiple platforms, but I am sure there is some 
catch: any comments? Seems like it would work just to exchange data and you are 
not concerned about e.g., UNIX permissions (since FAT32 and I assume exFAT also 
does not have this).

>From this table, it seems suitable for NetBSD (NetBSD seems to haver very good 
>support for features):

--- On Wed, 12/8/10, Andy Ruhl <> wrote:

From: Andy Ruhl <>
Subject: Re: exFAT as the new "portable" filesystem?
To: "Jasper Wallace" <>
Received: Wednesday, December 8, 2010, 3:56 PM

On Wed, Dec 8, 2010 at 1:46 PM, Jasper Wallace <> 
> Not saber-rattling, you *will* need a licence to ship devices (or, in the
> US, code) that supports exFAT:

Well, that ends any chance of using exFAT then.

> I've used ext2fs to move files between os's see this:

Why use ext2? It's for Linux. Just as UFS is for BSD. There needs to
be something new.

Why is it that nobody can agree on a portable filesystem then? I guess
these companies really don't want to make this easy. FAT32 is still
the only one that really answers this question, but it's not a good


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