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Date:      Fri, 24 Aug 2001 13:11:06 -0700
From:      Milo Hyson <milo@cyberlifelabs.com>
To:        "Aaron" <click46@webpimps.net>, "Mark Rowlands" <mark.rowlands@minmail.net>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: Suggested
Message-ID:  <20010824201107.EE93337B406@hub.freebsd.org>
In-Reply-To: <20010824154820.67B1D37B409@hub.freebsd.org>
References:  <20010824154820.67B1D37B409@hub.freebsd.org>

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On Friday 24 August 2001 08:46 am, Aaron wrote:
> I'm not so concerned with "official" views as with what works. I know
> there are MANY real-world system administrators out there that dont
> follow the "official" view for one reason or another. What I'd like to
> know is what they do and why. I think the hierarchy is the last hurdle
> for me to true BSD enlightenment. :D

While there are some variances among different UNIX systems, pretty much all 
of them follow the same basic conventions (this is all described in man hier):

	/etc is for local configuration files

	/usr is for all programs. In some cases it's mounted read-only from a server 
so that software maintenance only has to happen in one place.

	/usr/local is the same as /usr but for software installed locally on the 
machine. This is so that you can have a server-mounted /usr and still install 
software on the local hard drive.

	/var is for semi-dynamic files such as logs and PID files. It's separate 
from /usr because (as stated above) it could be read-only.

Some UNIX variants use /opt instead of /usr/local for local applications, but 
I'm not seeing this too much anymore. Even companies like Sun and SGI are 
shifting to /usr/local (or so I've heard).

-- 
Milo Hyson
CyberLife Labs, LLC

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