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

None 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.
All of these
to provide complete file naming freedom to the users and to permit controlled sharing of files

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Operating System (OS)
Assembler language

is a mnemonic form of machine language
is quite different from the SCL interpreter
requires fixed-format commands
None of these
is usually the primary user interface

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