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From: iwm@asun3.ic.ac.uk (Ian Moor)
Newsgroups: comp.unix.questions,comp.unix.wizards
Subject: Re: UNIX to IBM VM/CMS File Transfers ???
Message-ID: <IWM.88Oct12174504@asun3.ic.ac.uk>
Date: 12 Oct 88 16:45:04 GMT
References: <60@h.cs.wvu.wvnet.edu>
Sender: news@doc.ic.ac.uk
Organization: Dept. of Computing, Imperial College
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In-reply-to: dymm@b.cs.wvu.wvnet.edu's message of 22 Sep 88 13:14:44 GMT
Posting-Front-End: GNU Emacs 18.45.3 of Fri Jun 26 1987 on asun3 (berkeley-unix)


>I am trying to transfer files ("C" source code) between
>UNIX (Sun, BSD 4.2) and an IBM system running  VM/CMS.
Question #1:
>I am looking for a UNIX utility that can create IBM format
>tapes on my UNIX system.

A program called cmstape which will do this posted to comp.sources.unix
a while back. Most VM/CMS sites have utilities for reading OS tapes
(only IBM could produce three different tape formats for the same machine!);
if you write tapes using something like
   dd  ... obs=800 cbs=80 conv=block,ibm ...
and read them with 
    LRECL 80 RECFM FB
this might work, although you will lose file names.