What's the difference between Readyboost+Suprefetch vs Pagefile (or Linux Swap) on a flash drive?

What's the difference between Readyboost+Suprefetch vs Pagefile (or Linux Swap) on a flash drive? What's the major difference between new technologies and placing pagefile on a separate flash drive? It seems to me that new technologies are just wrappers. Am I wrong?
Asked by: Guest \| Views: 360

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Guest [Entry]

"One can't ever put a pagefile on a flash drive! (What an idea.)

A pagefile can only exist on the system drive and is used for application code ""overflow"" when memory is full, as well as for the memory dump for a BSOD.

Readyboost is an old technology from the days when memory was costly, small and slow, intended to augment RAM memory with disk space. Do not use.

Superfetch is a technology to preload often-used applications into memory in order to speed their startup times, mostly for slow laptops.

Conclusion: They are not wrappers, but technologies meant to improve the performance of hardware-challenged computers."