C programming question

Greg Franks rgfranks-cmaem7PIVQT44Nm34jS7GywD8/FfD2ys at public.gmane.org
Mon Dec 22 13:57:36 UTC 2003

>>>>> "John" == John Wildberger <wildberger-iRg7kjdsKiH3fQ9qLvQP4Q at public.gmane.org> writes:

    John> I got interesting replies to my question on how to access
    John> physical memory.  In summary: Yes, it can be done.  No, it
    John> cannot be done.  It is difficult.  It is not easy.  What
    John> comes to my mind is: "Das gefingerpoken in den Gewerken is...

Two words:

man mem (physical memory)

(or man kmem (kernel virtual memory)).

You have to be root to poke around.  In the good ole days of Unix, the
`ps' command actually opened /dev/kmem and looked at the bytes
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