Operating System (OS)
The file structure that redefines its first record at a base of zero uses the term:

relative organization
key fielding
dynamic reallocation
None of these
hashing

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

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

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