Operating System (OS)
Interprocess communication

is required for all processes
is never necessary,
is usually done via disk drives
allows processes to synchronize activity
None of these

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

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

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