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000100_news@columbia.edu_Fri Jun 9 23:15:49 1995.msg
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(5.65c+CU/IDA-1.4.4/HLK for <kermit.misc@watsun.cc.columbia.edu>); Fri, 9 Jun 1995 19:15:56 -0400
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From: fdc@watsun.cc.columbia.edu (Frank da Cruz)
Newsgroups: comp.protocols.kermit.misc
Subject: Re: How I kermit files over tcp/ip?
Date: 9 Jun 1995 23:15:49 GMT
Organization: Columbia University, New York City
Lines: 49
Message-Id: <3rakn5$q7i@apakabar.cc.columbia.edu>
References: <3r7opo$ng8@hustle.rahul.net> <1995Jun8.180241.53692@cc.usu.edu> <1995Jun9.123757.94813@kuhub.cc.ukans.edu>
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In article <1995Jun9.123757.94813@kuhub.cc.ukans.edu>,
SMITH TROY D <tdsmith@falcon.cc.ukans.edu> wrote:
:Joe Doupnik (jrd@cc.usu.edu) wrote:
::In article <3r7opo$ng8@hustle.rahul.net>,
:: Dan Bikle <dbikle@rahul.net> writes:
:: > So, I'm thinking...
:: > how about if I telnet to the site (initial login takes about 30sec),
:: > and then use kermit to transfer files back and forth?
:: > Have you got this to work (between 2 unixes)?
:: ---------
:: Yes, of course it works. I'm puzzled about why you asked rather
:: than just trying it. Go try it, please.
:: Joe D.
:
:I tried it between VMS and OSF/1 and couldn't escape back to OSF/1. The
:only escape sequence that worked was the one that dumped me back to the
:MS-DOS Kermit prompt.
:
Kermit, like telnet, has the notion of an "escape character" followed by
a single character-argument. If you have a series of Kermit and/or telnet
programs in CONNECT mode, then typing <Ctrl-\>C brings you immediately
back to the closest one whose escape character is Ctrl-\. In general,
suppose you are running C-Kermit on host A, connected to intermediate
host H1, and from there to intermediate host H2, etc, up to intermediate
host Hn, and from there to host B, like so:
A---H1---H2---H3- ... -Hn---B
Then Ctrl-\C brings you back immediately to host A.
Why? Because that is exactly what it is supposed to do. Remember, the copy
of C-Kermit running on host A is the one that is reading your keyboard.
Whenever it sees the escape character, it looks at the single character that
follows, and this character tells it what to do. If the next character is C,
then it returns to its prompt. But if the next character is a second copy of
the escape character, then it sends *one* copy of the escape character out the
communication channel, where it is received, in this case, by host H1.
So if you want to escape back to host H1, what do you type? Answer:
Ctrl-\Ctrl-\C
Quiz: what do you type in order to escape back to host H2? H3? Hn?
Hint: You can work around conundrums like this by assigning a different
escape character to the Kermit (or telnet) running on each host. Use the
SET ESCAPE command for this.
- Frank