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History

When you're working in a REPL, it's really helpful to be able to see the commands you've typed in the past. That way you can easily re-run them, or copy and paste them into a script. To print out the history of commands you've typed in your shell, you can use the history command.

history

Assignment

Use echo to print Investigating WorldBanc.
Run whoami.
Run the history command to see both commands listed.

Submit the shell checks.