[TUHS] Re: crt0 -- what's in that name?

[Rob Pike <robpike@gmail.com>]

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Not a citation but the 127 (as opposed to 1127) crowd all called them
runcoms.

-rob


On Tue, Jun 13, 2023 at 11:37 AM Norman Wilson <norman@oclsc.org> wrote:

> Clem Cole:
>
> > Apologies to TUHS - other than please don't think Fortran did not
> > impact UNIX and its peers.
>
> Fortran had an important (if indirect) influence in early Unix.  From
> Dennis's memories of the early days of Unix on the PDP-7:
>
>   Soon after TMG became available, Thompson decided that we could not
>   pretend to offer a real computing service without Fortran, so he sat
>   down to write a Fortran in TMG.  As I recall, the intent to handle
>   Fortran lasted about a week.  What he produced instead was a definition
>   of and a compiler for the new language B.
>
> (The Evolution of the Unix Time-Sharing System; see the 1984
> UNIX System issue of the BLTJ for the whole thing, or just read
> https://www.bell-labs.com/usr/dmr/www/hist.html)
>
> Now let's move on to the name `rc'.  Not the shell, but the
> usage as part of a file name.  Those two characters appear
> at the end of the many annoying, and mostly pointless, configuration
> files that litter one's home directory these days, apparently
> copied from the old system-startup script /etc/rc as if the
> name means `startup commands' (or something beginning with r,
> I suppose, instead of startup).  But I recall reading somewhere
> that it just stood for `runcom,' a Multics-derived term for what
> we now call a shell script.
>
> I can't find a citation to back up that claim, though.  Anyone
> else remember where to look?
>
> Norman Wilson
> Toronto ON
>
>

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