Our usual method of adding hint, adding "-hint" to the name of the problem chunk, does not seem to work for written questions.
The question asks students to run commands in the terminal and copy/paste responses into the answer box. We want to add a hint option that simulates the hints for normal evaluated exercises.
No, it isn't possible to add hints to questions created with question(). The best you can do is to add messages to specific answers, or use the incorrect argument to add a message with a hint that's shown when the incorrect answer is provided.