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    It should just terminate the process and free it's memory, without un-swapping it. Commented Apr 13, 2017 at 14:59
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    Unix doesn't swap in entire processes, it uses paging, and only swaps in the pages that are actually needed.
    – Barmar
    Commented Apr 13, 2017 at 22:27
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    And it uses virtual memory, so a process can be bigger than available RAM.
    – Barmar
    Commented Apr 13, 2017 at 22:28