[TUHS] Research UNIX on the AT&T 3B2?

[Greg 'groggy' Lehey]

On Tuesday, 28 August 2018 at 23:23:10 -0400, Theodore Y. Ts'o wrote:
> On Wed, Aug 29, 2018 at 11:06:05AM +1000, Dave Horsfall wrote:
>>
>> What really blew my gasket is that "stty -f" on *BSD is "stty -F" on
>> Penguin/OS, despite them copying every other flag.
>
> I'm pretty sure the addition of "stty -f" and "stty -F" is a fairly
> late innovation.  i.e., it wasn't there when Linux "copied" stty's
> user interface.
>
> In BSD 4.3 and early Linux (which is when I still was maintaining
> Linux's serial driver) you always had to do:
>
> 	stty dec < /dev/ttyS0

Checking mckusick's source distribution, it seems that the -f option
(along with sanity) came in with 4.4BSD.  It was in the original
sources imported into FreeBSD.  4.3BSD had such a bizarre syntax that
I suspect whatever you emulated must have come from a later date.

But options are an issue, notably with GNU software, which has a
completely different lineage.  Just look at FreeBSD ls(1) and GNU
ls(1).

> Really, why did those young whippersnappers had to add an option, when
> redirection worked perfectly well and required one less character to
> type?  :-)

Creeping featurism!

Greg
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