[TUHS] 2.11 BSD question... (exe sizes)

Jason Stevens neozeed at gmail.com
Wed Aug 11 14:45:28 AEST 2010

> The PDP-11 is inherently a 16-bit-pointer machine; it has no concept
> of 32-bit pointers, so it is always either in the x86 small or the x86
> tiny model.

I guess it's logical that after the years, intel could at least make *some*

> On DEC's operating systems, you could indeed set up overlays
> that allowed code to be swapped in and out, either to disk or to unmapped
> physical memory (much quicker!)  However, AFAIK ld(1) never provided that
> capability to userspace, although the technique is used inside the kernel.
> In any case, such tricks don't help with data space, which is strictly
> limited to 64K.

And that pretty much seals the deal.  Oh well, it's amazing how big things
have grown over the years....!

> --
> There is / One art                      John Cowan <cowan at ccil.org>
> No more / No less                       http://www.ccil.org/~cowan
> To do / All things
> With art- / Lessness

Thanks anyways!

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