Operating System (OS)
Seeks analysis

None of these
is used for analyzing paging problems
is used for analyzing control-unit busy problems
is only shown on real-time displays
is used for analyzing device busy problems

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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.
All 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
None of these

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