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Explain how you would find a specific string in a file.
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You can use the 'grep' program to locate a certain string in a file. 'grep "search_string" filename', for instance, will look for'search_string' inside 'filename' and show the lines that match.
An ideal applicant will be aware of extra options like 'grep -i' for case-insensitive searches and 'grep -r' for recursive directory searches. This indicates a deeper comprehension of the proper use of 'grep'.
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