3 ms·

If you read the article, you'll get the answer :P

• Foxhuls 2y ago
  I may just be blind but I don’t think I see it referred to as anything besides “terminal beeps” throughout the entire article.
  • zombot 2y ago
    > Here is the exact command I ran on my server: ... Look at the quoted command, there it is.
    • marginalia_nu 2y ago
      He's printing BEL (or \a), which could result in almost any sound depending on how the terminal is configured.