[TUHS] Where did the "~" come from

Chet Ramey chet.ramey at case.edu
Fri Nov 20 02:16:47 AEST 2020

On 11/18/20 7:44 PM, George Michaelson wrote:
> A related but different "thing" is when the cd activity became a
> pushdown stack of 2 (is it more? I never bothered checking)
> somebody realised going "there and back again" was innately useful.

It was definitely in ksh by 1986. It never made it into any of the Bourne
shells, but POSIX adopted it because it was in ksh88. I don't know
whether it was in the 1983 ksh version.

``The lyf so short, the craft so long to lerne.'' - Chaucer
		 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    chet at case.edu    http://tiswww.cwru.edu/~chet/

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