[vcf-midatlantic] Museum 3B1 & PDP-8

Dave Wade dave.g4ugm at gmail.com
Thu Oct 31 15:04:00 EDT 2019

> -----Original Message-----
> From: vcf-midatlantic <vcf-midatlantic-bounces at lists.vcfed.org> On Behalf Of
> Dave McGuire via vcf-midatlantic
> Sent: 31 October 2019 18:44
> To: vcf-midatlantic <vcf-midatlantic at lists.vcfed.org>
> Cc: Dave McGuire <mcguire at neurotica.com>
> Subject: Re: [vcf-midatlantic] Museum 3B1 & PDP-8
> On 10/31/19 1:44 PM, Neil Cherry via vcf-midatlantic wrote:
> >>> Personally I would like a better editor than the built in “ed”.
> >>> Maybe there is the “vi” available?
> >>
> >> But ed(1) is the standard editor!
> >
> > I seem to recall that vi relied on ed and ex. In Linux I don't this is
> > the case any longer. I don't know about BSD but would expect that this
> > is the case there also.
>   Vi started life as a "visual" (full-screen) mode within ex. so they used to be the
> same editor.  The ex editor was originally derived from ed.  Put into the
> filesystem using links, they look at argv[0] to determine what mode to enter at
> invocation time.  But that program was a part of the encumbered BSD code
> base, until it was open-sourced as a part of OpenSolaris.
>   In the intervening years, vim ("VI Modified") became the de-facto standard
> implementation of vi in the Linux world.  Early Linux distributions were
> distributed with "original" vi, however.  If memory serves, this was originally
> illegal but AT&T eventually let them do it.
>               -Dave
> --
> Dave McGuire, AK4HZ
> New Kensington, PA

When I had to earn a living, I used to keep a copy of the EMACS manual on my desk, sat on top of a copy of the Dilbert Principle.
Open one or the other before consultant arrives....


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