From: Larry
It's possible the concept existed in some other
OS but I'm not aware of
it.
It's pretty old. Both TENEX and ITS had the ability to map file pages into a
process' address space. Not sure if anything else of that vintage had it (not
sure what other systems back then _had_ paging, other than Atlas; those two
both had custom KA10 homebrew hardware mods to support paging). Of course,
there's always Multics... (sorry, Ken :-).
Noel