A Linux Administrator Needs to Remove a USB Drive from a System

question 99

Multiple Choice

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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Definitions:

Raw Materials

The basic materials and substances used in the initial stages of production before undergoing processing.

T-account

A bookkeeping tool that visually represents a general ledger account, showing debits on the left side and credits on the right.

Depreciation

The methodical distribution of a physical asset's cost across its lifespan.

Manufacturing Equipment

Assets used in the process of producing goods, including machinery, tools, and other apparatus necessary for the manufacturing process.