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000225_news@newsmaster….columbia.edu _Fri Feb 13 15:53:30 1998.msg
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From: fdc@watsun.cc.columbia.edu (Frank da Cruz)
Newsgroups: comp.unix.sco.misc,comp.protocols.kermit.misc
Subject: Re: null modem file transfer
Date: 13 Feb 1998 20:53:29 GMT
Organization: Columbia University
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In article <9802130105.aa05971@vagabond.armory.com>,
Bela Lubkin <scomsc@xenitec.on.ca> wrote:
: Frank da Cruz wrote:
: > It's true -- I would not have guessed that Xenix 3.x was older than
: > Xenix 2.x. Nevertheless, C-Kermit has been built successfully -- at some
: > point in its history, on at least the following Xenix varieties:
: >
: > # + for Altos 486, 586, 986 with Xenix 3.0, "make altos"
:
: That's the really ancient stuff. I had some live Internet time
: yesterday and went exploring. I was able to find mention of this Altos
: Xenix binary in the ".hlp" files; it showed that it would have a prefix
: of "ck", but gave no guidance on the actual filename. I failed to find
: the binary. Can you identify it?
:
Just because the binary was built at one time long ago, that doesn't
necessarily mean we ever received a copy of it, or even asked for one.
Back in the old days, all UNIX versions had C compilers, and so it was not
necessary to build up big collections of UNIX C-Kermit binaries. How times
have changed, eh?
A hunt through our archives does not turn this one up. I'll add the Kermit
newsgroup to this thread (the original poster was looking for a way to
transfer files with Xenix 3.x, which, oddly enough, turns out to be much
older than SCO Xenix 2.x), in case anybody out there has such an an old Xenix
handy, with Kermit on it.
: > # + for Tandy 16/6000 with Xenix 3.0, "make trs16"
:
: Didn't find this either.
:
It's at:
ftp://kermit.columbia.edu/kermit/bin/ckuker.trs16
But this is not an 80x86 so I don't think it would help. For that matter, I
don't think the Altos was an 80x86 either.
: The original poster could need either of these, or an ancient PDP-11 Xenix
: version (but your list doesn't show anything compatible with that -- the
: 2.11BSD binary almost certainly wouldn't work).
:
Right. We used to have it for PDP-11 VENIX (note: V, not X), which worked
in 64K via "page mapping" but I don't think we kept a binary for that one
either. 20-20 hindsight...
C-Kermit ran quite nicely on straight UNIX V7 on various hardware platforms,
but I don't have binaries for that either. Ditto for System III on early PCs
(PC/IX, etc). We do, however, have a binary for Bell Research UNIX V10 :-).
: > In any case, I also have the very old, old, primitive, tiny version of
: > C-Kermit from 1982 or so -- it can be used in a pinch on almost any old
: > version of UNIX.
:
: Yes, but now you're a solution looking for a problem. His machine
: should already have UUCP, and certainly the more recent Unix he's trying
: to talk to will. So there's no need for Kermit in the first place. A
: newer version with large packets and sliding windows would improve his
: transfer rate. An old crufty version will only degrade his transfer
: rate (94- vs. 128-byte packets, 1- vs. 8-packet window, and unnecessary
: control char quoting).
:
True, but sometimes the crufty old versions are a great way to bootsrap the
slick new ones. Btw, maximum Kermit packet size is 9000, not 128. Maximum
window size is 32.
- Frank