In <20140719043544.8bf1e6d3c...@terpsichore.ugcs.caltech.edu>, on
07/18/2014
at 09:35 PM, glen herrmannsfeldt <g...@ugcs.caltech.edu> said:
>OK, but the code for doing OPEN and CLOSE can easily be in an
>overlay,
The SVC transient areas were only 1 KiB; at that size, I'm not sure
that anything was easy.
>Even more, on the smaller systems I/O was unblocked (because you
>couldn't afford the memory for a larger buffer)
How many shops ran OS/360 in 64 KiB? The smallest that I dealt with
was 128 KiB, and we definitely blocked or data.
--
Shmuel (Seymour J.) Metz, SysProg and JOAT
ISO position; see <http://patriot.net/~shmuel/resume/brief.html>
We don't care. We don't have to care, we're Congress.
(S877: The Shut up and Eat Your spam act of 2003)
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