Re: Swapfiles
I remember `demand paging' on the PDP-11, which predates the VAX.
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Sincerely,
David Smead
http://www.amplepower.com.
On 17 Apr 2002, John Hasler wrote:
> I wrote:
> > Executables, being read-only, are mapped directly from disk and never
> > use any swap at all. Only data gets mapped to swap.
>
> Karsten writes:
> > Is this a GNU/Linux thing or a more general Unix/POSIX thing?
>
> Neither. It's a virtual-memory thing. It's the obvious thing to do as
> soon as you have vm.
>
> > Recent development or long-time feature.
>
> VMS had it from day one, I believe, and Berkeley introduced it into Unix
> when they ported it to the VAX.
>
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