Question: What would be the command to search for the word win (in upper case, lower case, mixed case) in the file /tmp/apache.log? What would be

  1. What would be the command to search for the word win (in upper case, lower case, mixed case) in the file /tmp/apache.log?
  2. What would be the command to display the first and third columns (username and user id number) from the /etc/passwd file?
  3. What is the difference between these two commands?

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