Operating System (OS)
File record length

depends upon the size of the file
should always be fixed
None of these
Should always be variable
should be chosen to match the data characteristics

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

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

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