I remember it as kill -9 1 then sync halt Or sync sync halt
On March 23, 2024 2:53:56 PM GMT, Paul Koning via cctalk <cctalk@classiccmp.org> wrote: > > >> On Mar 22, 2024, at 6:38 PM, Diane Bruce via cctalk <cctalk@classiccmp.org> >> wrote: >> >> On Fri, Mar 22, 2024 at 11:00:25PM +0100, Warner Losh via cctalk wrote: >>> On Fri, Mar 22, 2024, 10:54 PM Zane Healy via cctalk <cctalk@classiccmp.org> >> ... >>> Even v7 Unix didn't have halt or reboot. >> >> sync;sync;sync >> power off >> >> I remember it well. > >Yes. So Unix did have a shutdown procedure, and it was particularly critical >to do it and do it right. I remember when I first heard about Unix, when at >the U of Illinois -- some PDP11s in the Center for Advanced Computation ran >it, for their Arpanet connection. The story was that CAC was a good facility >to run Unix because it had very reliable power -- it was built to house Illiac >4 before that machine was moved to a military facility in response to campus >protests. So there was little worry about having to repair the file system >manually after a power failure -- I guess fsck hadn't been created yet, or >perhaps wasn't reliable yet. > > paul >
