memory scrubbing

Robert Connolly robert at
Mon Jan 28 17:56:35 PST 2008


I've noticed that when I start Xorg I see a screenshot of my previous Xorg 
session. This survives a reboot. It looks like the memory just becomes free 
when Xorg is shut down, and the image stays there until it's overwritten.

Are any of you familiar with ways to scrub this memory, and any other memory, 
during a shutdown?

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