[TUHS] What was your "Aha, Unix!" moment?

Angelo Papenhoff aap at papnet.eu
Tue Oct 22 02:50:42 AEST 2019


On 21/10/19, Noel Chiappa wrote:
>     > From: Warren Toomey <wkt at tuhs.org>
> 
>     > But wasn't "chdir" built into the PDP-7 Unix shell?
> 
> No.  See "The Evolution of the Unix Time-sharing System", in section "Process
> control".

In fact, in our code it is:
https://github.com/DoctorWkt/pdp7-unix/blob/master/src/cmd/sh.s#L367
Probably a later version than what dmr described. And it would
contradict the timing of ken's aha-moment story.


aap


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