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Write a grep (or grep) command that selects the lines from
a file that have exactly three characters.
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How do I run a bash script?
What is difference between grep and find command in unix?
Differentiate cmp command from diff command.
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Write a command that will find all text files in a directory such that it does not contain the word "amazing" in any form (that is, it must include the words amazing, amazing, or amazing)?
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What is the difference between grep and grep?
