Question: The command: grep pattern file.txt Select one or more: a. by default, it prints out only the lines of file.txt matching the pattern b. searches

The command: grep pattern file.txt Select one or more: a. by default, it prints out only the lines of file.txt matching the pattern b. searches the lines in the file.txt file for the text that matches the pattern c if no file was given, the standard input would be searched d. searches the indicated input files: pattern and file.txt

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