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grep Multiple Files

You can also search multiple files at once. For example, if we wanted to search for the word "hello" in hello.txt and hello2.txt, we could run:

grep "hello" hello.txt hello2.txt

Recursive Search

You can also search an entire directory, including all subdirectories. For example, to search for the word "hello" in the current directory and all subdirectories:

grep -r "hello" .

The . is a special alias for the current directory.

Assignment

Use grep to find all the lines with the text "CRITICAL" (all caps) in the worldbanc/private/logs directory.

Submit the shell checks.