From: Mark Kettenis <mark.kettenis@xs4all.nl>
Subject: Re: iostat: display all drives
To: Kirill A. Korinsky <kirill@korins.ky>
Cc: jmc@kerhand.co.uk, tech@openbsd.org
Date: Mon, 20 May 2024 16:15:51 +0200

> Date: Mon, 20 May 2024 14:26:46 +0100
> From: Kirill A. Korinsky <kirill@korins.ky>
> 
> On Mon, 20 May 2024 13:53:15 +0100,
> Jason McIntyre <jmc@kerhand.co.uk> wrote:
> > 
> > i don't know if there's a reason, but if your change goes in, i suggest
> > simply removing the note from the man page, since it hardly seems worth
> > noting if we display them all...
> > 
> 
> digging shown that it was a part of original import from NetBSD. NetBSD
> replaces that 4 into 3 ~20 years ago [1] which was made depends on terminal
> width [2] which was heavy reworked few years ago [3]

Right.  The default of 4 is almost certainly chosen such that the
default output fits on a standard 80 character terminal line.  And
that is still the only reasonable default.  So the diff should not go
in.