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Hadoop has a library class, org.apache.hadoop.mapred.lib.FieldSelectionMapReduce, that effectively allows you to process text data like the unix _____

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Hadoop has a library class, org.apache.hadoop.mapred.lib.FieldSelectionMapReduce, that effectively allows you to process text data like the unix ______ utility.

(a) Copy

(b) Cut

(c) Paste

(d) Move
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Correct option is (b) Cut

The best I can explain: The map function defined in the class treats each input key/value pair as a list of fields.
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