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From: Lyndon Nerenberg <lyndon@orthanc.ca>
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Date: Fri,  8 Jun 2012 16:51:35 -0700
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To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] 9fans Digest, Vol 98, Issue 15
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On 2012-06-08, at 4:44 PM, Friedrich Psiorz wrote:

> I don't really understand how and why this is not the case though, but
> I'll try to find out by reading a few more manpages ...

rc caches environment variables.  It saves a read(2) every time $foo is =
referenced.  Whether that's a win these days is unknown and deserves a =
bit of research.  Or maybe rc could grow a command that flushes the env =
cache.

--lyndon=