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Date: Tue, 29 Mar 2011 16:48:14 +0200
From: Matthias Andree <matthias.andree@gmx.de>
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Subject: Re: Keeping /etc/localtime up-to-date
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Am 29.03.2011 09:53, schrieb perryh@pluto.rain.com:
> Matthias Andree <matthias.andree@gmx.de> wrote:
>> Am 28.03.2011 19:57, schrieb dieterbsd@engineer.com:
>>> I have been running FreeBSD and NetBSD with /etc/localtime being
>>> a symlink for years and have not seen any problems as a result.
>>
>> In that case, /etc and /usr/share/timezone (or whatever) need to
>> be in the same physical file system ...
> 
> If they're in the same physical FS there's no need for a symlink.
> You might as well use a hardlink.

And then discuss how all the time zone configuration tools deal with
/etc/localtime - truncate/overwrite, direct overwrite,
rename-a-replacement-file and all that.  No.