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ps -laxww for randmoness?
How about using ps -laxww as a source of randomness? Of course it would be
run throug something like MD5 to get rid of the structure. This would
not be good on a multi-user system because ps command may have been
modified to log the person invoking it, time, and output to somewhere.
But on a personal workstation that you trust, it could be a pretty
good source of unpredictable data.
This is not my original idea, I think it was suggested in one of the
multiple precision math packages I looked at recently.