IBM System/360 Model 50: Difference between revisions

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System software: DOS/360 was also an option; the reference says "Most didn't run MVT", which doesn't necessarily mean "most ran MFT". A claim that "most ran MFT" would also need a source for them not running DOS.
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==System software==
It was possible to choose [[DOS/360]], [[OS/360 and successors#MFT|OS/360 MFT]] (Multi-programming with a Fixed number of Tasks), or [[OS/360 and successors#MVT|OS/360 MVT]] (Multi-programming with a Variable number of Tasks) as the [[Operating System]] of an IBM System/360 Model 50. MostFew chose MFTMVT.<ref name="most-didnt-run-mvt">{{cite mailing list|url=https://groups.google.com/forum/#!original/bit.listserv.ibm-main/zqAApnIeXec/qZ-fhTcVKz0J|title=Re: 40th anniversary of IBM System/360 on 7 Apr 2004|date=January 18, 2004|author=William H. Blair|mailing-list=ibm-main|quote=Most didn't run MVT}}</ref>
 
Although 360/50 systems equipped with 1 MB or more<ref>{{cite conference|url=https://books.google.com/books?id=_BGDRGWzVw4C&pg=PA33&lpg=PA33|title=Using SMF and TFLOW for Performance Enhancement|conference=Eighth Meeting of Computer Performance Evaluation Users Group (CPEUG)|author=J. M. Graves}}</ref> could and did run MVT<ref>{{cite mailing list|url=http://www.classiccmp.org/pipermail/cctalk/2015-May/006672.html|title=Re: 360/50 microcode listing|mailing-list=cctalk@classiccmp.org|date=May 7, 2015}}</ref><ref>{{cite web|url=https://www3.epa.gov/storet/pptfiles/manning.ppt|title=An overview of the history of development of the EPA STORET System, with some comments on future timelines and plans.|date=November 7, 2001|page=3|format=PPT}}</ref> one IBMer described this as "[getting] blood out of the turnip", and noted that "most didn't run MVT".<ref name="most-didnt-run-mvt"/>