From mboxrd@z Thu Jan  1 00:00:00 1970
From: Grant Miner <mine0057@mrs.umn.edu>
Subject: Re: software packaging and ReiserFS v4
Date: Wed, 03 Sep 2003 18:11:36 -0500
Message-ID: <3F567528.7030102@mrs.umn.edu>
References: <20030903165409.GD4714@rahul.net> <3F565A8F.4010209@botz.org> <20030903213742.GA13146@rahul.net>
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To: Bennett Todd <bet@rahul.net>, reiserfs-list@namesys.com


>>Nor is there a $HOME.  Depending on your point of view (more
>>about that below) there is only /, /bin, [...] The key to this
>>are what we might call "perspectives".  Every user has their own
>>perspective, or maybe more than one that they can chose between.
>>[...]
> 
> 
> I _think_ this was big in Plan 9, if I'm not mistaken.

Yes, this is what Plan 9 does.  Actually, Linux now has support for 
per-process namespaces (perspectives) too (it was added by Al Viro in 
2.5.2).  He also might may write code to do unions.