[TUHS] earliest Unix roff
clemc at ccc.com
Sat Sep 14 08:55:24 AEST 2019
Thanks. So we have a date that explains the pdp-11 assembler version - it
was there at v1.
On Fri, Sep 13, 2019 at 6:14 PM Warren Toomey <wkt at tuhs.org> wrote:
> On Fri, Sep 13, 2019 at 05:45:51PM -0400, Clem Cole wrote:
> > It does leave us an interesting question, when did the original
> > show up and when did nroff(1). The original, roff(1), was early, and
> > of course not until after the original PDP-11/20 port. But was it as
> > early as first edition? roff was the first formatting program.
> > replaced it later on, although roff lived through the 6th edition (I
> > not believe it is on the v7 tape).
> There was a roff on PDP-7 Unix:
> By the spring of 1971, it was generally agreed that no one had the
> slightest interest in scrapping Unix. Therefore, we transliterated
> the roff text formatter into PDP-11 assembler language, starting from
> the PDP-7 version that had been transliterated from McIlroy’s BCPL
> version on Multics, which had in turn been inspired by J. Saltzer’s
> runoff program on CTSS.
> From "The Evolution of the Unix Time-sharing System"
> Cheers, Warren
Sent from a handheld expect more typos than usual
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