hcitool:tldr:a2ed5

The command "hcitool info" is used to retrieve information about a Bluetooth device.

Here's the breakdown of the command:

• "hcitool": This is the command-line tool for configuring and interacting with the Bluetooth devices on a Linux system.
• "info": This is the specific action or subcommand of hcitool that we are using. It is used to retrieve detailed information about a Bluetooth device.

Now, let's look at the parameter "${bdaddr}":

• "${bdaddr}": This is a placeholder or variable that represents the Bluetooth device address, also known as the bdaddr. The bdaddr is a unique identifier for each Bluetooth device, and it typically consists of six pairs of hexadecimal digits, separated by colons or hyphens. So, to use the command, you need to replace "${bdaddr}" with the actual Bluetooth device address you want to retrieve information about.

Overall, when you execute the command "hcitool info ${bdaddr}", it will provide you with detailed information about the Bluetooth device with the specified address.