Multiple choice technology operating systems

What stream usually outputs error messages to the screen?

  1. stdout

  2. stderr

  3. stderr2

  4. stdouterr

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

stderr (standard error stream, file descriptor 2) is the conventional output stream for error messages. stdout (file descriptor 1) is for regular output. stderr2 and stdouterr are not standard stream names.