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From: Mary Ann Horton <mah@mhorton.net>
To: tuhs@minnie.tuhs.org
Subject: Re: [TUHS] UNIX or unix
Date: Sat, 9 Nov 2019 13:05:39 -0800
Message-ID: <972b4dbb-e62f-f369-153b-e1892506b72d@mhorton.net> (raw)
In-Reply-To: <af88bb05-eb1b-811b-7329-5a149fd27c4e@doomd.net>

I just finished Brian Kernighan's book (excellent!) and he addresses 
this in section 7.6. (Yes, he wrote the book in troff.)

He prefers "Unix" and wrote it that way except for this section. He says 
"Bell Labs' legal guardians decided that the name Unix was a valuable 
trademark that had to be protected..." Legal mostly required it to be 
used as an adjective "The UNIX TM operating system", and how the ms 
macros produced a small caps "UNIX" (and a footnote on the first 
reference). He's clear that the 1127 folks hated the requirements from 
legal.

It is true that the file which contains the kernel was /unix, or /vmunix 
for Berkeley Unix, but that's the name of the file, not the proper name 
of the operating system for English prose.  By convention, virtually all 
Unix files were in lower case.

     Mary Ann

On 11/9/19 12:36 PM, Derrik Walker v2.0 wrote:
> On 11/9/19 12:20 PM, Nemo Nusquam wrote:
>> I was reading the comments on Hackaday on UNIX at 50 
>> (https://hackaday.com/2019/11/05/will-the-real-unix-please-stand-up/). 
>> As expected, a lot of manure but some interesting comments from 
>> seemingly knowledgeable people.
>>
>> One comment 
>> (https://hackaday.com/2019/11/05/will-the-real-unix-please-stand-up/#comment-6192977), 
>> from a DDS, stated that (s)he worked at The Bell and they wrote it 
>> "unix" (lower-case) to distinguish it from MULTICS.  Anyone care to 
>> comment on this?
>>
>> N.
>
> It was always my understanding, based totally on hearsay from 
> engineers from both Sun and SGI back in my early days with it, UNIX is 
> the OS, while unix, or vmunix is the kernel. Unix was deprecated by 
> the time it became a real commercial product.
>
> So, right or wrong, I've always used UNIX for the OS, and unix, or 
> vmunix as appropriate, to refer to the kernel.
>
> - Derrik
>

  reply index

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-09 17:20 Nemo Nusquam
2019-11-09 19:43 ` Paco López
2019-11-09 20:36 ` Derrik Walker v2.0
2019-11-09 21:05   ` Mary Ann Horton [this message]
2019-11-09 21:23     ` Clem Cole
2019-11-10  0:07       ` Steve Johnson
2019-11-11  8:07         ` Dr Iain Maoileoin
2019-11-11 19:58           ` Dave Horsfall
2019-11-09 19:39 jnc

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