XK0-005 Exam Dumps | A Linux administrator needs to remove a USB drive from a system. The unmount command fails, stating the

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Question 254/410

A Linux administrator needs to remove a USB drive from a system. The unmount command fails, stating the device is busy. Which of the following commands will show the reason for this error?

A. lsusb | grep /mnt/usb

B. mount | grep /mnt/usb

C. ps aux | grep /mnt/usb

D. lsof | grep /mnt/usb

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