Search /etc for every file that has prices-01. Some files in /etc are closed to your account, so the search writes Permission denied errors. Hide them.
Something unclear, wrong or missing?
Terminallearner@tidepool · simulated Linux machine · seed 1n5efkd 0:00Reset lab (rebuilds the machine)
Objective 1 of 20/2 done
Hide the errors
Run the search again, and throw away standard error.