Quiz: streams and pipelines

One correct answer

cp report.txt /backup/ 2> /dev/null printed nothing, yet there is no copy in /backup. What do you do first?

• A Repeat the command as it is, with 2> /dev/null.
• B Read /dev/null — the error was written there.
• C Decide the copy worked, since there were no errors.
• D Run the same command without 2> /dev/null and read the message.