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Suspend to Swap
Incorporated into Linux 2.5.x kernel source
- But Magic SysRq D is being deprecated
Intended to allow laptops to suspend to swap
Flushes cache (sync)
Compacts kernel dataspace and memory
Saves memory to swap
Saves machine state to swap
Risk - Potentially sensitive information could end up on swap even if in protected memory!
Advantage - System images are restartable and can be analyzed "in vitro" upon restart!
Requires preparation and effort. :-(
Notes: