Xmodem, Ymodem, Zmodem software: YAM?
Haiying ZHANG
Now here goes a naive question. I am considering buying a piece of
X/Y/Zmodem software for my upcoming Esix 4.0.4. I have an offer of
Professional YAM from Omen Tech.
I am new to X/Y/Zmodem. Omen Tech is said to be 'the home of Ymodem
and Zmodem'. Is this true? Is this YAM thing authoritive?
What are the popular X/Y/Zmodem packages?
Is there any reliable share/freeware for this?
Any help will be greatly appreciated.
Haiying
Larry Snyder
> Now here goes a naive question. I am considering buying a piece of
>X/Y/Zmodem software for my upcoming Esix 4.0.4. I have an offer of
> Professional YAM from Omen Tech.
excellent choice. It works under SVR4, $CO, Dell, ESIX, ISC, etc..
and upgrades are free -- likewise support -- and reasonably priced too
--
Larry Snyder internet: la...@gator.rn.com
keeper of the Gator uucp: uunet!trauma!larry
Bohdan Tashchuk
>
>
> Now here goes a naive question. I am considering buying a piece of
>X/Y/Zmodem software for my upcoming Esix 4.0.4. I have an offer of
>
> Professional YAM from Omen Tech.
>
> I am new to X/Y/Zmodem. Omen Tech is said to be 'the home of Ymodem
>and Zmodem'. Is this true? Is this YAM thing authoritive?
>
> What are the popular X/Y/Zmodem packages?
>
> Is there any reliable share/freeware for this?
Chuck Forsberg, aka Omen Technology, does read the net, so perhaps he will
respond as well. If he doesn't, then here is my view of things:
I've used various pieces of software from Omen. They work well. Chuck is the
developer of the zmodem protocol, and has continued to make various proprietary
improvements to it. His programs can be used as "terminal emulators", and also
invoked with command line switches to transmit/receive files.
Chuck used to have a freeware program called rzsz that was a minimal
implementation of x/zmodem. It included source, and was pretty easy to get
going. Its intended use was at a remote computer to download/upload to any of
his various proprietary programs, eg to Pro YAM. People started using it with
his competitor's programs, so Chuck hasn't been willing to update it recently,
but the old versions work and may be available at various archive sites.
Products he used to have (perhaps this has changed):
dsz - shareware, supplies zmodem to terms programs that don't have it
built in, DOS only
zcomm - shareware, poor man's version of Pro YAM, DOS only
Pro YAM - commercial distribution. All sorts of features. DOS or Unix.
I mention the DOS programs since, if you have a DOS emulator and want only
casual use, you can run them and save money. But, being limited to DOS
filename conventions is a bitch. There is also an upgrade available from zcomm
to Pro YAM.
Policy is, buy one of these and you can download new versions from his BBS for
free forever. It's phone is (503) 621-3746, but he did switch from Telebit to
another high speed modem a while back, so you may be stuck at 2400 baud.
The only downside I've found may not be a negative to the typical Unix hacker.
The software is a BITCH to use. The manual is 200 pages of small print, and is
poorly organized. He sneers at "brain-damaged menu driven crock", but the sad
thing for him is that other software outsells his by orders of magnitude
because it doesn't require a huge time investment.
Chuck has implemented powerful, reliable software that's very difficult to use.
Others, according to Chuck, have cumbersome programs that are less powerful.
The really, really sad thing for him is that he doesn't realize that powerful
doesn't necessarily have to equate to difficult to use.
Timothy F. Sipples
> Pro YAM - commercial distribution. All sorts of features. DOS or Unix.
Pro-YAM is also available in an OS/2 version. Which could be a
selling point, for if you decide to get the DOS version and later
migrate to OS/2, Omen has a product that can take full advantage of
your new operating system. (You could still use Pro-YAM for DOS, of
course.)
--
Get the OS/2 FREQ. ASKED QUESTIONS LIST | Timothy F. Sipples
from 128.123.35.151, anonymous ftp, | Internet: si...@ellis.uchicago.edu
directory pub/os2/all/faq, or from | VNET Alias: SIPPLES AT BITNET
LIST...@BLEKUL11.BITNET (send "HELP"). | Dept. of Econ., U. Chicago, 60637
Ben Cox
> I am new to X/Y/Zmodem. Omen Tech is said to be 'the home of Ymodem
>and Zmodem'. Is this true? Is this YAM thing authoritive?
It was my understanding that Chuck Forsberg, author of Pro-YAM, was
the inventor of the Zmodem (and Ymodem?) protocols.
Note that what a lot of places call Ymodem is actually not, but is
simply Xmodem with 1k blocks. I believe that Y/Zmodem software can
tell the difference and is compatible with both.
--
Ben Cox
th...@uiuc.edu
Rob Lingelbach
>
>The software is a BITCH to use. The manual is 200 pages of small print, and is
>poorly organized. He sneers at "brain-damaged menu driven crock", but the sad
>thing for him is that other software outsells his by orders of magnitude
>because it doesn't require a huge time investment.
The learning curve for Pro-Yam has been steep for me, but it works like
a dream, now that I've made the effort to understand it. And
understanding it has made me a better fledgeling Unix programmer. I
very much agree that the manual is badly organized.
--Rob
--
Rob Lingelbach KB6CUN | 2660 Hollyridge Dr LA CA 90068 213 464 6266 (voice)
r...@xyzoom.info.com | "I care not much for a man's religion whose dog or
ro...@netcom.com | cat are not the better for it." --Abraham Lincoln
Andy Finkenstadt
>In article <1992Jun11.0...@cs.mcgill.ca> hai...@cs.mcgill.ca (Haiying ZHANG) writes:
>> Now here goes a naive question. I am considering buying a piece of
>>X/Y/Zmodem software for my upcoming Esix 4.0.4. I have an offer of
>>
>> Professional YAM from Omen Tech.
>>
>> I am new to X/Y/Zmodem. Omen Tech is said to be 'the home of Ymodem
>>and Zmodem'. Is this true? Is this YAM thing authoritive?
>>
>Others, according to Chuck, have cumbersome programs that are less powerful.
>The really, really sad thing for him is that he doesn't realize that powerful
>doesn't necessarily have to equate to difficult to use.
I enjoy using Pro-YAM, but then, it's the only package I have that
works identically under DOS and S5 Unix. I'm actively porting it
to the Sun architecture for work here. (We are licensed for the
port, not for resale.) It has the best tolerance for real-world
conditions I've seen in a long time.
-Andy
a satisfied customer
--
Andrew Finkenstadt | Vista-Chrome, Inc. | GEnie: ANDY
GEnie Unix Sysop/Manager | The Printing House | NIC Handle: AF136
+1 904 222 2639 home | 1600 Capital Cir SW | ...!uunet!rde!andy
+1 904 575 0189 work | Tallahassee FL 32310 | an...@homebase.vistachrome.com
...and a UNIX user said 'rm -fr *' ... and all was without form and void...
Jeremy Cook
anonymous ftp to ccb.ucsf.edu and got it from the directory:
/Comp.src.unix/Volume07/xmodem
It's probably available from other sites too. It works a treat under
SunOS, really simple to use, and problem free. It manages all (I think)
of the xmodem, ymodem and zmodem protocols. If you're receiving,
it can guess what protocoll you're sending with.
--
---
Jeremy Cook, Researcher /\ Parallel Processing Laboratory, /\
,-. ,- ,- ,- / / ,- |-. \/ Dept. of Informatics, University of Bergen, \/
|-' `-` | `-` / / `-` `-' /\ High Technology Centre, N-5020 Bergen,Norway /\
jer...@ii.uib.no \/ phone : +47 5 54 41 74 | fax: +47 5 54 41 99 \/
Steve Grandi
>I picked up 'xmodem version 3.2' from Comp.src.unix volume 7. I used
>anonymous ftp to ccb.ucsf.edu and got it from the directory:
>/Comp.src.unix/Volume07/xmodem
>
>It's probably available from other sites too. It works a treat under
>SunOS, really simple to use, and problem free. It manages all (I think)
>of the xmodem, ymodem and zmodem protocols. If you're receiving,
>it can guess what protocoll you're sending with.
>--
The latest version of Xmodem, version 3.10, is available from
gemini.tuc.noao.edu in pub/xmodem.3.10.tar.Z
Xmodem does Xmodem, Ymodem and various variants (including Ymodem/G). It
does not do Zmodem (one of these years, when the kids are grown, I might
get back to it...). Version 3.10 works very nicely with the SunOS tip
program for "outbound" transfers as well as the usual "inbound" transfers.
Xmodem runs well on Suns and (when we still had VAXes) BSD 4.2/3. Several
folks have worked on System V versions, but I can't test them myself (the
appropriate files are included in the tar archive).
--
Steve Grandi, National Optical Astronomy Observatories, Tucson, Arizona USA
Internet: gra...@noao.edu SPAN/HEPNET: NOAO::GRANDI (NOAO=5355) +1 602 325 9228
Michael Regoli
>The latest version of Xmodem, version 3.10, is available from
>gemini.tuc.noao.edu in pub/xmodem.3.10.tar.Z
Hmm...I've got version 3.18 (12-07-91) running here.
--
michael regoli
m...@cica.indiana.edu
reg...@iubacs.BITNET
..{ames, rutgers}!iuvax!cica!mr