[cap-talk] Citation for ACLs

Jed Donnelley capability at webstart.com
Mon Jul 30 22:53:13 EDT 2007


At 06:40 PM 7/30/2007, Mark Miller wrote:
>On 7/30/07, David Hopwood <david.hopwood at industrial-designers.co.uk> wrote:
> > [*] The source for CTSS is available at
> >     <http://www.piercefuller.com/library/ctss.html?id=ctss>.
>
>Amazing! Now, where can we find the source to the PDP-1 Supervisor?

Heh.  I don't know about the source for the PDP-1 Supervisor
(maybe Charlie has some information in that area?), but I
do have hard copy of the RATS supervisor that I could scan
in with some pain, e.g. like the last page of:

http://www.webstart.com/jed/papers/RATS/RATS.pdf

and continuing for some 146 pages (exclusive of the
device handlers that were run in separate processes,
including the terminal handler, the phone handler,
the line printer handler, and the "Exec" (a command
line interpreter).

I also have a tape that contains a version of Unix
from about 1975 and what I believe is a final version
of RATS - but of course it has the usual issues
with reading information from such tapes (9 track
in this case) and extracting that to useful data.

Much of that data is probably still sitting on tapes
in readable form in the LLNL mass storage system (an
Elephant never forgets), but I've played hell trying
to get such data moved from the classified systems to
the unclassified side for many years (now remotely),
mostly to get at the NLTSS source, but that has
proven a futile effort.  I still have a colleague
there (Hi Jim!  bcc'ed) who says he is working on
this, but I've heard no progress for some time now.

I wonder if the people at LLNL know how much such
declassification overhead (for clearly unclassified
data) is costing them?

--Jed  http://www.webstart.com/jed-signature.html 




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