Linux lsusb command
The Linux lsusb command allows users to list all USB devices connected to the system, revealing information such as vendor ID, device ID, and device class. This command can be helpful for troubleshooting USB connection issues, identifying connected devices, and checking if they are recognized by the system. By running lsusb in the terminal, users can quickly obtain a detailed overview of all connected USB hardware.
lsusb Syntax:
lsusb [options] [parameters]Options:
| Option | Description |
|---|---|
| -t | Display a tree format |
| -v | Verbose mode |
| -s [bus:device ] | Show only devices with specified bus and device numbers |
Parameters:
| Parameter | Description |
|---|---|
| None | Lists USB devices connected to the system |
List USB Devices
lsusbLists all connected USB devices.
List USB Devices with Detailed Information
lsusb -vLists all connected USB devices with detailed information.
List USB Devices in Tree Format
lsusb -tLists all connected USB devices in a tree-like format.
List USB Devices and grep for a Specific Device
lsusb | grep "Logitech"Lists all connected USB devices and filters the output to show devices with the keyword “Logitech”.
How do I use lsusb in Linux?
To use the lsusb command in Linux, execute the following command:
lsusbHow to display detailed information with lsusb?
To display detailed information about USB devices using lsusb, you can use the “-v” flag.
lsusb -vHow to list only bus information with lsusb?
To list just the bus information with lsusb, you can use the “-t” flag.
lsusb -tHow to find a specific USB device with lsusb?
To find a specific USB device with lsusb, you can use the “-d” flag followed by the device’s vendor and product IDs in hexadecimal format.
lsusb -d 05e3:0745How to show the device class ID along with lsusb?
To display the device class ID along with other information, you can include the “-v” flag along with the “-t” flag when using lsusb.
lsusb -tvHow to list USB devices in a tree-like format with lsusb?
To list USB devices in a tree-like format, you can combine the “-t” and “-v” flags with lsusb for a hierarchical view of the devices.
lsusb -tvvHow to refresh the list of connected USB devices with lsusb?
To refresh the list of connected USB devices in Linux using lsusb, you can use the “-r” flag to make the command continuously monitor for changes and update the output.
lsusb -r
## Applications of the lsusb command
1. Viewing a list of USB devices connected to the system2. Checking the vendor and product IDs of USB devices3. Troubleshooting USB device recognition issues4. Verifying whether a specific USB device is recognized by the system5. Providing information for debugging USB driver issues.