> The OS is supposed to use memory. Erm, no. The OS is supposed to virtualize the hardware. It should use the optimal amount of resources for that. > That's w

> The OS is supposed to use memory. Erm, no. The OS is supposed to virtualize the hardware. It should use the optimal amount of resources for that. > That's what it's for: to be used. Not necessarily by the OS. You do know that these things called "Applications" exist and use memory, don't you?