> -----Original Message-----
> From: Carl Friedberg [mailto:[EMAIL PROTECTED]
> Sent: Thursday, April 03, 2003 11:33 AM
> To: [EMAIL PROTECTED]; Brad Hughes
> Cc: [EMAIL PROTECTED]; [EMAIL PROTECTED]
> Subject: RE: vmsperl Digest 2 Apr 2003 21:19:24 -0000 Issue 685
>
>
> All right, here's some things that I tend to remember FWIW
> (and my brain cells are starting to fade a bit): (and it is
> NOT a tree)
...
> (4) PDP-7 (18 bit). I remember that it had some kind of "Disk
> Operating System". Used to develop the earliest versions of UNIX.
>
> (5) PDP-8 (12 bit?). I don't remember much of anything about
> that, but it morphed into a word processor :-)
>
> (6) PDP-11 (16 bit). This was an awful machine. IIRC, it was
> the first of the DEC machines which used 8-bit, instead of
> 6-bit, characters; and the memory size was 16 bits, instead
> of the much heftier 18 bits in the PDP 1-4-7 family. However,
> despite requiring the programmer to learn hexadecimal
> notation instead of the much easier octal, it did catch on,
> and spawned a whole slew of operating systems: DOS, RT, RSTS,
> RSX-11D, RSX11M, RSX11M-Plus, among others. Mumps, too.
I was going to say: and lest we forget, PDP-11 was the hardware
platform for the original Unix. But it turns out that the very
first Unix implementation ran on PDP-7 and PDP-9 computers.
> (7) VAX11/780 (IIRC, that was the name of the first machine,
> but I could be remembering wrong). ...
I think you're remembering right.
