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000229_news@columbia.edu _Mon Jan 29 19:13:52 2001.msg
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From: fdc@columbia.edu (Frank da Cruz)
Subject: New release of DEC-20 Kermit
Date: 29 Jan 2001 23:50:45 GMT
Organization: Columbia University
Message-ID: <954vkl$jf1$1@newsmaster.cc.columbia.edu>
To: kermit.misc@columbia.edu
This is to announce (no kidding) Version 5.1 of DECSYSTEM-20 KERMIT,
replacing version 4.2 of September 1988. Version 5.1 adds long packets,
which were never done before because long packets would crash a real
DEC-20. But virtually no real DEC-20s exist any more; all current DEC-20s
are either non-DEC clones, or else running on other hardware under
emulation. So now you can use DEC-20 Kermit to transfer files with packets
up to 9K in length; the previous maximum was 94 bytes. This gives speed
improvements up to about a factor of 20 (i.e. 2000%).
This update was made in anticipation of the release of publicly available
KL10 emulators capable of running under Linux or other common platforms.
Since any emulator will probably not include Internet support, a way is
needed to import and export files: DEC-20 Kermit (the very first Kermit
program (*)) lives again! Now when you log in to the DEC-20 (or emulator)
from a PC or other computer running a Kermit-capable terminal emulator, you
can run DEC-20 Kermit to exchange files with your computer, and the
transfers will not be as agonizingly slow as they would have been without
this update.
Installation instructions:
Download the new Kermit source (one file) in text mode from the
Kermit Project archive in text ("ASCII") mode:
ftp://kermit.columbia.edu/kermit/d/k20mit.mac
Note: this is a MACRO-20 source file; it is not any kind of "package",
tarball, ZIP archive, compressed, encrypted, or anything else. It's
just PLAIN TEXT (if you use DEC-20s you know what plain text is).
Rename it to KERMIT.MAC, then:
load kermit
save
This produces a KERMIT.EXE file, which is DEC-20 Kermit. Install it
somewhere in SYS:, or else redefine SYS: to include the directory where
KERMIT.EXE is. Give it execute permission, e.g. P775252. Documentation
for the update is here:
ftp://kermit.columbia.edu/kermit/d/k20mit.txt
(*) The first Kermit file transfer occurred on April 29, 1981, between
two copies of DEC-20 Kermit over a loopback connection between two
serial ports on the Columbia University DEC-20.
- Frank