Operating System (OS)
The function(s) of file system is (are):

None of these
to provide complete file naming freedom to the users and to permit controlled sharing of files
to provide security against loss of information due to system failure
All of these
to provide for long and short term storage of files with appropriate economic tradeoffs.

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Operating System (OS)
Thrashing

is a natural consequence of virtual memory systems
can be caused by poor paging algorithms
can always be avoided by swapping
always occurs on large computers
None of these

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