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Q: Win to UNIX over serial ( Answered,   0 Comments )
Subject: Win to UNIX over serial
Category: Computers
Asked by: brianlack-ga
List Price: $12.00
Posted: 10 Jul 2002 11:53 PDT
Expires: 09 Aug 2002 11:53 PDT
Question ID: 38226
I am trying to transfer files between a windows machine and a UNIX
server.  The  UNIX server (SCO Open Server 5.05) is already connected
to several workstations over serial connections.  The server is not
connected to the internet or any LAN.  Each workstation is in fact a
windows machine with WYSE50 emulation.

I already tried installing Kermit on both machines (Kermit 95 on
Windows, C-Kermit on UNIX) but nothing would happen when I tried to
send a file from the workstation.

How should I go about transfering files over one of these serial
connections?  The solution must allow for automation, because the file
transfers will be initiated by a C++ application (yet to be written).

Request for Question Clarification by mother-ga on 10 Jul 2002 18:12 PDT
Have you tried other Win/Unix serial connection software besides
Kermit, to eliminate the possibility that it's a software and not a
hardware issue? If not, try:

ICE.TEN Connects Windows PC's to a UNIX Host via Serial Lines
--> download to get free 30-day trial

Can you print from your serial port(s)? Have you switched cables?
Silly questions, but this information may help a researcher come
closer to an answer for you.

Good luck!
-- mother-ga
Subject: Re: Win to UNIX over serial
Answered By: cjs2u-ga on 10 Jul 2002 21:38 PDT
Hi brianlack,

I encountered this problem a few years ago, using a DOS to UNIX
connection. I could use full-screen applications, but you need a
command line client. Well, I found one!

It's called DSZ - a DOS version of rz and sz. Surely you are familiar
with rz/sz for UNIX.
By using rz/sz on the UNIX computer and DSZ on the DOS computer, you
should be able to transfer files between the two. You may need to
re-wire your serial cable to become a null modem cable or just buy a
null modem cable. If you don't know what I'm talking about, you would
have a separate question entirely. If your two computers can talk at
all, then you should be fine.

----- FIRSTLY, look at the author's FTP site at the Portland State
Univ FTP server
This is the directory where everything is:
This is a description of what the files are:

Following are the four files you will be interested in:
	(DSZ.COM + DOCS Smallest flavor of DSZ)
	(Background docs for DSZ)
	(DSZ.EXE executable supports 7-bit networks)
	(What's new in DSZ and GSZ)

This is the link for the program itself in the original .COM form:
This is the link for the program itself in .EXE form:
This is the link for information about the program:
This is the link for what's new (relatively) in the DSZ program:
----- ALTERNATIVELY, look on the Simtel BBS
You can find it on the Simtel BBS, along with instructions on using
This is the link for the program itself in the original .COM form:
This is the link for the program itself in .EXE form:
This is the link for information about the program:

Additional info:

If you want to see a mailing-list post by a user of DSZ, see this:

If you want to see the .signature of the author of DSZ, see this:

I found DSZ by searching Google for these terms:

"dos rz sz unix serial"
"dsz dos rz sz"

I also found it by searching Google Groups for these terms:

"dsz dos rz sz"

I hope you can utilize DSZ on the DOS end and rz and sz on the UNIX

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