Write a complete bash script that asks for a user name and uses the read command to accept the user name. (Use usernames C2456001 through c2456030 to test.) The script reports if the user is logged in. Use the who command to obtain a list of users logged in then use grep in an if then else statement to match on the user name. Output whether that user is either logged in or not logged in. (Usage: loggedIn.sh)

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