What is the function of grep command?

1.	What is the function of grep command?
Answer» GREP (Global regular expression print) is a COMMAND that is USED to the global search for a string of characters in a specified file. The text search PATTERN is generally KNOWN as a regular expression. It simply makes use of pattern-based searching. Syntax: grep [options] pattern [files] Example: $ grep -c "linux" interview.txt The above command will usually print the total count of the word “Linux” in the file “interview.txt”.

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