Question: 2). Write a command that searches the string line in all .c and .txt files starting from your current directory and all sub directories. (1

2). Write a command that searches the string line in all .c and .txt files starting from your current directory and all sub directories. (1 point) Metacharacters in Regular Expression

3. What will the following patterns match? Explain. (4 points, 1 point each) a) ^bags$ b) ^$ c) l.g d) ^\.

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