>The rt tasks run even above "root" level. I believe they run in "ring 0"
>as the kernel does.
For those Unix people with now NT knowledge: (I think this is all correct)
NT runs diffrent process at different ring levels. This is suppose
to provide an onion skin approach to the kernel security model.
>From what I understand this is modeled after VMS's model. Unix
however only has one kernel model. (Linux to be exact.) root is the
kernel and vice versa. for example root can write to
/dev/mem which is the device for the physical memory. The only unix
base exception I know of for this is mach with nextstep and AFS which creates
a super root.
I hope this helps to explain the "ring 0" comment.
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