When trying to unmount a device it is reported as being busy. Which of the following commands could be used to determine which process is causing this?

The correct answer is B. lsof. See the full explanation below for the reasoning.

Question

When trying to unmount a device it is reported as being busy. Which of the following commands could be used to determine which process is causing this?

Options

Adebug
Blsof
Cnessus
Dstrace
Etraceroute

How the community answered

(25 responses)

A
8% (2)
B
72% (18)
C
4% (1)
D
16% (4)

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