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Guy Harris (talk | contribs) →Other: That claim needs a citation, even if it seems "obvious". Ray Sanders just speaks of *personally* recommending DOS to owners of machines with <256K - and says nothing about CPU power, just memory. (And what about MFT?) |
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==Other==
Although the cover of IBM's MVT Guide<ref>{{cite book|url=http://www.bitsavers.org/pdf/ibm/360/os/R21.7_Apr73/GC28-6720-5_MVT_Guide_Rel_21.7_Aug74.pdf|title=IBM System/360 Operating System: MVT Guide OS Release 21.7|date=August 1974|publisher=IBM|id=GC28-6720-5}}</ref> indicates that even a 360/40 could run MVT,
the IBM [[operating system]] used was usually the realistically sized [[DOS/360]],{{cn|date=September 2017}} because all but one model of the 360/40 had less than MVT's minimum memory requirements of 256KB.<ref>{{cite book|url=http://www.bitsavers.org/pdf/ibm/360/mvt/GC28-6551-16_OS_Storage_Estimates_Apr73.pdf|title=IBM System/360 Operating System: Storage Estimates OS Release 21.7|date=April 1973|publisher=IBM|id=GC28-6551-16|}}</ref><ref>{{cite web|author=Ray Saunders |url=http://www.os390-mvs.freesurf.fr/mvs360.htm |title=MVS... And Before OS/360 ? |archive-url=https://web.archive.org/web/20071220191855/http://www.os390-mvs.freesurf.fr/mvs360.htm |archive-date=2007-12-20}}</ref>
The IBM System/360 Model 40 was developed<ref>http://www.cs.man.ac.uk/CCS/res/res23.htm states: "The System/360 architecture was developed in Poughkeepsie, 80 miles north of New York. Contributions came from people all over IBM, including our Hursley development group." and notes specific involvement in developing the 360/40.</ref> and manufactured at IBM's facilities in: Poughkeepsie, U.S., [[Mainz]], Germany; and [[Fujisawa, Kanagawa|Fujisawa]], Japan.
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