From owner-freebsd-hackers@FreeBSD.ORG  Mon Feb 14 06:45:48 2005
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Date: Mon, 14 Feb 2005 09:45:44 +0300
From: Sergey Matveychuk <sem@FreeBSD.org>
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To: Peter Jeremy <PeterJeremy@optushome.com.au>
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Subject: Re: bin/76089: The "-n" option in /usr/bin/w is broken
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Peter Jeremy wrote:

> Depending on the environment, the IP address may be more changeable
> than the hostname.  Definitely, in a DHCP or dialup environment, you
> can't rely on the IP address at any time other than during the
> session.  There is little (if any) benefit in logging the IP address
> instead of the hostname.

I agree, environments are different. So may be it makes no sense to 
change hostname with IP. It was just an idea.

But fact is, we lost 'w -n' semantic. And it should be fixed.
BTW, UT_HOSTSIZE=16 is too short in my opinion.

-- 
Sem.