Operating System (OS)
A co-processor

Causes all processor to function equally
Is relatively easy to support in software
Works with any application
Is quite common in modern computer

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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
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.
None of these

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