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From: Bozo User <anthk@disroot.org>
Newsgroups: comp.os.linux.misc,alt.folklore.computers
Subject: Re: The joy of FORTRAN
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Date: Fri, 11 Oct 2024 14:49:31 -0000 (UTC)
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On 2024-09-25, Lawrence D'Oliveiro <ldo@nz.invalid> wrote:
> On Tue, 24 Sep 2024 16:05:25 -1000, Lynn Wheeler wrote:
>
>> ... some of the MIT CTSS/7094 went to Project MAC on the 5th flr to do
>> MULTICS ...
>
> Let’s see ... “CTSS” (Corbatò et al) stood for “Compatible Time Sharing 
> System”, the “Compatible” part meant that it could not interfere with 
> batch workloads run under the IBM-proprietary OS on the same hardware.
>
> Later some hackers at MIT created their own OS for the PDP-10 and named it 
> “Incompatible Timesharing System” (ITS) as a sort of anti-homage to 
> CTSS. ;)
>
> (You thought “MULTICS”/“UNICS” (later “UNIX”) was the only pun of its type 
> to come out of the ferment of OS development in the 1960s?)

The magic of Lisp and ITS is that if you know how to use Emacs and a bit 
of Elisp, you can be using Maclisp in no time.

Ditto with current Maxima on top of Common Lisp vs Macsyma. The syntax 
it's 100% the same, just diferring on the available functions.
But for common plots and equations, if you do a plot in Macsyma,
Maxima will plot the same exact thing but with Gnuplot instead of
an special printer file for the PDP10. Altough you can perfectly
dump the file to a virtual tape and process it to PostScript
with modern ITS+Simh emulation tools.