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One can put all the OS and supporting stuff on a cheap USB flash drive, no? Umm- ok Swap on the flash would be a no-no, but otherwise...
Just thinking to myself about the implications of flash memory-based OS.


This is done all of the time. Just (1) no swap on flash, and (2) no filesystems mounted permanently R/W on flash either (a mounted f/s results in quite regular updates on the fly, which isn't great for the flash. Or perhaps laptop-mode would help with this instead).

Cheers