Which command displays information about connected USB devices?

Question

Options

• Acat /proc/usbdevices
• Bcat /proc/usb/devices
• Ccat /proc/bus/usb/devices
• Dcat /proc/usbbus/devices
• Ecat /proc/hotplug/usb

• A
  6% (4)
• B
  2% (1)
• C
  77% (48)
• D
  3% (2)
• E
  11% (7)

Explanation

On Linux systems, USB device information is stored at /proc/bus/usb/devices, making option C the correct path - it follows the kernel's procfs hierarchy where bus-related device info lives under /proc/bus/.

The distractors are wrong because the paths simply don't exist in standard Linux kernels: /proc/usbdevices (A) and /proc/usbbus/devices (D) are entirely fabricated paths; /proc/usb/devices (B) omits the required bus/ segment; and /proc/hotplug/usb (E) relates to the older hotplug subsystem, not device enumeration.

Memory tip: Think of the hierarchy as bus → usb → devices - you're listing devices on the USB bus, so the path logically mirrors that: /proc/bus/usb/devices. On modern systems, lsusb is the preferred command, but the proc path follows the same bus-first logic.

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