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

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

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Operating System (OS)
Virtual Memory

allows multiple programs to reside in separate areas of core at the time.
None of these
is a method of memory allocation by which the program is subdivided into equal portions, or pages and core is subdivided into equal portions or blocks.
is a method of allocating processor time.
consists of those addresses that may be generated by a processor during execution of a computation.

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