At 3:02 PM -0400 on 6/1/07, Craddock, Chris wrote about Re: Friday
musings on the future of 3270 applications:
The thing you are referring to is Mainview Alternate Access. It is still
available and it comes in two flavors. One allows you to run a locally
attached 3270 without either TSO or VTAM being up and if you're heroic
enough it will even run without JES. The intent is to allow you to have
a (dedicated and secure) terminal that gives you access to all of your
management software in the situation where VTAM and/or TSO are not
available. In theory you can edit parmlib, drive your monitors etc. and
it does work, but I am not sure how often, or how successfully it is
used in those scenarios.
There was/is also something called TSSO that ran as a Master Task and
was used when you could boot your system but could not bring up JES,
TSO, VTAM, etc. - Its purpose (as with that MSA Mode you reference)
was to allow you to do the edits needed to fix the Procs/Parms needed
to get the real interfaces up.
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