[TUHS] Origin year of BSD csh?

Tony Finch dot at dotat.at
Wed Jun 29 00:47:07 AEST 2016


Sven Mascheck <mascheck at in-ulm.de> wrote:
>
> I've always been intrigued by the fact that traditional Bourne shell and
> Almquist shell haven't implemented history or command line editing.

The Almquist shell had history support added for (I think) 4.4BSD
https://svnweb.freebsd.org/csrg/bin/sh/histedit.c?view=log

It's a required feature for POSIX sh, though I don't know how far back
that requirement goes...

Tony.
-- 
f.anthony.n.finch  <dot at dotat.at>  http://dotat.at/  -  I xn--zr8h punycode
Fair Isle, Faeroes, Southeast Iceland: Southwesterly backing easterly or
southeasterly, 4 or 5 increasing 6 at times. Moderate, occasionally rough for
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