Operating System (OS)
File record length

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

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Operating System (OS)
The advantage of a command processor running only built-in commands is:

None of these
flexibility to the users in running lists of commands by simply collecting them in named batch command files
users can create system programs and run them as commands
the command set being common across different hardware configurations
the processing is much faster than would other-wise be the case when user defined commands are used

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