# How did one early PC bridge desktop DOS and mainframe-style computing?

A carefully identified historical technical reference about how an XT/370 virtual machine and PC-DOS coexisted. The protected research note gives you the **exact original publication, article title, printed page and preserved source location**, saving a broad search through unrelated scans.

This offers bibliographic discovery and navigation, not ownership or exclusive access to the underlying historical material.

#Virtualization #PCDOS #Mainframes

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Canonical URL: https://cacherat.com/q3102

Created: 2026-10-24T14:40:45.187772+00:00

Last edited: 2026-10-24T14:40:45.187772+00:00

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