It requires Linux to do it.

Thank you

3) Writing a basic shell script. Write a script that outputs all lines in a file containing a specific keyword. Your script will be called "fkey" and the first argument to the script should be the keyword and the second the file i.e. the general form of the command should be $fkey keyword filename For example, if the users types: $fkey apple foo.txt your script should print every line that contain the string "apple" from the file "foo.txt". A test file "foo.txt" is attached. Explain why the third line in the file shows up in the output but the fourth one does not. In addition, you must check if the user specified two arguments. If not, you will print the following error message: usage: fkey keyword filename You must also check if the second argument is a file that exists. If it doesn't, the script will exit and print an error message stating that the file does not exist. (HINT: Read about grep, test and exit)