> > I suppose my original question could be boiled down into:
> >
> > Does a Linux (and/or other Unix) process inhabit a single read/write/execute
> > memory segment?
>
> No. The executable image is read only or copy-on-write. The stack however has
> to readable (obviously) and x86 has a problem with page level permissions
> for execute only (it hasnt got them)
>
> Forget about segments, intel has been trying to de-invent them since the 386.
And how do you use more than 4 gigabytes of RAM on these boring Intel
boxes _without_ segmentation? ;)
[... and don't say "ram drives" - unless you have a new meaning for that ;)]
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