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A comment on The RustyHermit Unikernel. Parent comment

Re:The RustyHermit Unikernel by felipehuici on Monday January 25, 2021 @08:05AM (#25902662)
Interesting, do you have any references explaining how/why z/TPF is a unikernel? Thanks!
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Re:The RustyHermit Unikernel by monocasa on Monday January 25, 2021 @08:40PM (#25911385)
It's from an era before ubiquitous MMUs, even in IBM mainframes. It therefore was structured as a library OS, with even less separation between it and the application code than even MSDOS and it's applications.

Transaction Processing Facility: A Guide for Application Programmers by R. Jason Martin is a decent book I'd recommend on the subject.

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