> > VMS is not as old as Unix.
>> [Begin quote from the OpenVMS FAQ, Part 1/5]
> ...
> VMS version X0.5 was the first released to customers,
> in support of the hardware beta test of the VAX-11/780,
> in 1977. VAX/VMS Version V1.0 shipped in 1978, along
> with the first revenue-ship 11/780s.
> ...
> [End quote]
>> Given that Unix wouldn't see a paying customer base for a
> few more years, I'm not sure that this statement holds.
Unix became operational in February 1971. As far as I know, it was first
presented to the world outside of Bell Labs at a conference in October 1973.
The "Communications of the ACM" article by Ritchie and Thompson appeared in
July 1974.
My copy of an early Unix manual is the *Seventh* Edition from January 1979,
in which they claim there were "over 600 installations", not all of which would
have been Bell Labs' installations and which would have required a licence for
which you had to pay (admittedly not very much; about $100?).
John.
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