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I think he is referring to mmap? Not entirely sure though...


Perhaps conflating swap files with virtual memory?


mmap makes use of the virtual memory system. The author does not appear to be conflating anything.


Yeah, that would be great if a. the link was to a question on StackExchange about mmap, but it's not, and b. if the use of mmap was commonly known as using a "virtual disk file", but again, it's not.




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