In <[email protected]>, on 11/17/2012
at 11:22 AM, Mike Myers <[email protected]> said:
>Back in the very beginning (OS/360 MVT in 1971), TSO was
>introduced. At that time, it consisted of a "monitor" program
>which used time-slicing to distribute the CPU time it was given
>among the TSO users that were logged on.
No, TSO introduced changes to multiple parts of OS/360, including the
Dispatcher. You're probably thinking of the TCAS, but it wasn't
responsible for CPU dispatching.
>Except for select address spaces (those marked "non-swappable"),
>an address space in a wait state was eligible for swap-out.
Any address space was eligible for a swap-out, not just those in a
wait state, e.g., due to high CPU use.
--
Shmuel (Seymour J.) Metz, SysProg and JOAT
Atid/2 <http://patriot.net/~shmuel>
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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