[Linux] Bash lsusb Usage: List USB devices

Overview

The lsusb command is used in Linux to display information about USB (Universal Serial Bus) devices connected to the system. It provides details such as the device ID, vendor ID, and device class, making it a useful tool for troubleshooting and managing USB hardware.

Usage

The basic syntax of the lsusb command is as follows:

lsusb [options] [arguments]

Common Options

• -v: Verbose output. Displays detailed information about each USB device.
• -t: Displays the USB device hierarchy in a tree format.
• -s <bus>:<device>: Show only the specified device on the given bus.
• -d <vendor>:<product>: Show only devices with the specified vendor and product ID.
• -h: Display help information about the command and its options.

Common Examples

Here are some practical examples of using the lsusb command:

1. List all USB devices:

   lsusb
   

2. Get detailed information about all USB devices:

   lsusb -v
   

3. Display USB device hierarchy:

   lsusb -t
   

4. Show information for a specific device (e.g., bus 001, device 002):

   lsusb -s 001:002
   

5. Filter devices by vendor and product ID (e.g., vendor ID 1234 and product ID 5678):

   lsusb -d 1234:5678
   

Tips

• Use lsusb -v for a comprehensive view of device capabilities, especially useful for debugging.
• Combine lsusb with other commands like grep to filter results based on specific criteria.
• Regularly check connected devices with lsusb when troubleshooting USB-related issues to ensure proper recognition by the system.