AIX on IBM370 machines

Jack F. Vogel jackv at turnkey.gryphon.COM
Mon Sep 25 03:32:39 AEST 1989


In article <784 at scifi.UUCP> njs at scifi.UUCP (Nicholas J. Simicich) writes:
>In article <6368 at turnkey.gryphon.COM> jackv at turnkey.gryphon.COM writes:
> [ my hasty oversimplified remarks deleted...]
>
>Running native has nothing to do with whether or not 3270's can be
>supported.  VM has a command called "dial" that allows a ordinary user
>on a 3270 terminal to virtually attach to a guest operating system so
>that their terminal appears local to that guest operating system.
>This command is used to access second level MVS or DOS/VSE systems, as
>well as specialized servers which support 3270 protocols, such as PVM.
>This function is pretty much available to the ordinary user.
 
To all those who responded....OK, OK, I spoke in hast and obviously as
a relative newcomer to VM. I admit I had overlooked the normal DIAL
facility. In the face of that I will have to reinvestigate my pat
answer for why multiple 3270 support was not done. It may have been
an arbitrary decision as one poster suggested or perhaps there was
a deeper reason. If I learn anything useful I will post the answer.

>I suspect that the actual fact is that the 3270 support just wasn't
>done.  What would you run there?  None of the ordinary editors are
>going to run except ed or ex, and those just aren't popular in the
>face of vi or emacs.  Curses based stuff presumes a full duplex tty,
>without the "attribute byte" kludge, so it isn't going to run either.
 
Not a bad stab at a reason Nick, however we do actually provide a
3270 terminfo module, and you can run vi on the 3270 console although
it behaves so strangely that I can't imagine anyone wanting to use
it other than to say "See it can be done.". This whole thing has
peaked my interest in the matter and I am going to try and find a
definite answer. As for curses, Oleg could elaborate on this since
he worked on this code, the installation/maintenance package actually
does full screen menus with highlighting and such on the 3270 console.
Not to say it isn't a kludge but we have done it.

To Mike and Terry from Amdahl, since I have never used UTS, I am
curious. You say it supports 3270 access, how does it handle their
block-mode nature with regard to vi and the like? I have seen MTS
at U of M and I don't think it has this problem since it is set up
for such terminals, rather than running software designed in the
async world (again, I could be wrong here since I only had a brief
glance at it).

Disclaimer: obviously my opinions only

-- 
Jack F. Vogel			jackv at seas.ucla.edu
AIX Technical Support	              - or -
Locus Computing Corp.		jackv at ifs.umich.edu



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