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To: stan <stanb@panix.com>
References: <20051114213230.GB1854@teddy.fas.com>
From: Lowell Gilbert <freebsd-questions-local@be-well.ilk.org>
Date: 14 Nov 2005 17:41:04 -0500
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Cc: Free BSD Questions list <freebsd-questions@freebsd.org>
Subject: Re: an a version 4 sstem not mount filesystems created by a version
	5 system?
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stan <stanb@panix.com> writes:

> The subject really says it all.

Modulo a few missing letters...

>                                 What major feature got added that was worth
> breaking this?

UFS2.

> 
> I _assume_ the oposite is _not_ tur? IE a version 5 system _can_ mount
> filesystems created under V4, right?

Sure.  It can even create UFS1 filesystems if you want.

> Oh, and while I'm at it, how does V5 fit into this picture?

It's the first branch that supported UFS2.