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Explanation- In Linux, grep command is used to search a pattern in one or more files directly from the command line. Syntax: grep [OPTIONS] PATTERN [FILE...] PATTERN as a mandatory argument. The OPTION and FILE arguments are non-mandatory. While the OPTION argument tells the grep command to act in a way as specified by the definition of that OPTION, the FILE argument tells the grep command about the files in which the pattern needs to be searched. Sapna 03-3-2017 05:47 AM

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