What happens if you attempt to unmount a file or directory that is open?
A) The unmount occurs unconditionally without any warnings or prompts.
B) You receive a prompt to "close all files to continue" message.
C) You receive a message indicating the directory will be closed and the unmount will occur.
D) You get a"device is busy"error.

Question

Quizplus · Accepted Answer

Attempting to unmount a file or directory that is open typically results in a "device is busy" error because the system recognizes that there are active references to the file system, preventing the unmount operation from proceeding.

What Happens If You Attempt to Unmount a File or Directory