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[ih] What is the origin of the root account?

At 12:58 AM -0400 4/12/13, Noel Chiappa wrote:
>     > From: Larry Sheldon <LarrySheldon at cox.net>
>First off, please be careful to distinguish between _ARPANET_ development
>(both hosts and switches) and _Internet_ development. Totally separate
>efforts, mostly different people, etc, etc.
>     > I thought the initial development was done on IBMish and special
>     > purpose hardware
>The very earliest Internet development was done, AFAIK, on PDP-11/40's
>(running ELF, I think?), PDP-10's running TENEX, Jim Mathis' MOS stuff from
>SRI - LSI-11's (only), I think? (I think MOS ran on other kinds of 11 too,
>I'd have to go check the source; but IIRC Jim's focus was LSI-11's.)

Our first PDP-11 was later called an 11/20.  We had an 11/40, /45, 
/70 and a VAX

It ran our home grown OS, ANTS.

>(I wasn't around for that phase, so someone please correct me if I'm
>Pretty soon after (I'm talking circa 1978 or so here), more PDP-11's showed
>up: Dave Mills' Fuzzballs. Somewhere in there Bob Braden did a TCP for an IBM
>mainframe at UCLA, and there was also a Multics implementation (although I
>don't think it actualy ran until bit later).
>     > did the IMP's have an OS?
>The ARPANet was only used as a long-haul service to connect together TCP/IP
>sites. The IMP's had no software for doing TCP/IP, they were not IP routers.
>     > And don't VAXen speak VMS
>Vaxes didn't exist at the time of the earliest Internet work. The first Vaxen
>(11/780's) did show up shortly thereafter, circa 1979 or so. But they weren't
>significant until later on in the process (after the 11/750's showed up).
>All the early Vaxen ran VMS. Unix wasn't brought up on the Vax until they'd
>been around for a couple of years.
>	Noel