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Date: Mon, 20 Apr 2020 19:17:13 +0100
From: Derek Fawcus <dfawcus+lists-tuhs@employees.org>
To: tuhs@minnie.tuhs.org
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References: <46EFF8FB-86D2-407A-87A7-B7A58D47C2D9@planet.nl>
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Subject: Re: [TUHS] 8th Edition and /dev/stdio
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On Mon, Apr 20, 2020 at 08:28:53AM -0600, arnold@skeeve.com wrote:
> See if there are man pages for /dev/fd/XXX.  IIRC /dev/stdin was
> a symlink to /dev/fd/0, /dev/stdout to /dev/fd/1, /dev/stderr to /dev/fd/2,
> and, as a really nice generalization, /dev/tty to /dev/fd/4.  For the
> latter, init(1) simply dup'ed the opened tty file descriptor one more
> time before exec-ing login.

So what happened to /dev/fd/3 ?

DF