hot-add
The Functions of replacing system components without shutting down the system
Pagefile.sys
pagefile.sys
replace the memory replace the memory
hot swapping
A computer can still operate without virtual memory (virtual memory is just hard drive space that is set aside to allow the computer to swap data to and from actual RAM). It is just that on a modern multitasking system things could slow down if you have a lot of things going on and the system is reaching its memory limit. With virtual memory turned off a system with minimal memory will tend to really slow down a lot. It may not be as bad on a system with lots of memory (like 2GB or more).
Cold swapping is the process of replacing a hardware component in a system while it is turned off. This can be done without disrupting the operation of the system but requires it to be powered down. Cold swapping is commonly used for components like hard drives and memory modules in servers and other devices.
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You need to edit security policies for non-administrator type users. There is the option "not allow users to power the system off" or something like that.
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Why would you want to use Win& memory diagnostics on a WinXP system. WinXP has it's own.
Yes, it should stop all shutting down actions by your computer if the system is overheating.