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AS 400 adressing

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by sreejumon

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In AS 400,there about 5 processors(such as io,communication etc).Since all the processors working simultaniously, how the memory management works ?Also mention the data retrieving technique from the hard disk?

8 replies

by erikdr

Well, the logical counterquestion: why worry?
OS/400 has solutions for this similar to OS/390 and some more scalable flavours of UNix. You never address one specific processor, you address the machine and the OS solves the problems around concurrency, disk caches/buffers etc. In all the years I've accessed the /400 (from my main platforms, PC and Unix) I never had to worry about this...

At your service,

- The Netherlands

by jej1962

I'd recommend that if you really want to know about the guts of how OS/400 operate, I'd recommend that you get over to amazon.com, and order a book by Dr. Frank Soltis, "Inside the AS/400".

Pretty beefy stuff.

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