[TUHS] shutdown for pre-v7 unix

Mark Longridge cubexyz at gmail.com
Thu Jul 17 04:55:41 AEST 2014

Hi folks,

I've been typing sync;sync at the shell prompt then hitting ctrl-e to
get out of simh to shutdown v5 and v6 unix.

So far this has worked fairly well but I was wondering if there might
be a better way to do a shutdown on early unix.

There's a piece of code for Unix v7 that I came across for doing a shutdown:


I doesn't work on pre-v7 unix, but maybe it could be modified to work?


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