What is ADB (Android Debug Bridge) - Download
Android Debug Bridge (adb) is a versatile command-line tool that lets you communicate with a device (an emulator or a connected Android device). The adb command facilitates a variety of device actions, such as installing and debugging apps, and it provides access to a Unix shell that you can use to run a variety of commands on a device.
Yes, it's Command Prompt that you should manually type to execute the command. The commonly command that used to debug any Android device, are:
[code type="adb device"]to check the connection between computer and phone also sometimes you need trusth the connection (you will prompt at phone screen)[/code]
[code type="adb reboot recovery"]To reboot any Android device to recovery menu that could be use for reset purposes or install/update Android version through adb sideload or recommended update by choosing update menu[/code]
[code type="This command for install or upgrade device OS. You could find this options when you in recovery menu"][/code]
[code type="adb reboot fastboot"]To reboot any Android device to fastboot menu. When your device can boot in fastboot stage, you can install/update Android OS, Unlock Bootloader and more[/code]
[code type="adb reboot edl"]This command is use for force device in edl mode, this must be use when you can't update mobile device through fastboot mode. Commonly use for Mi device.[/code]
There are many command for adb program, you can ask here or search by yourself with google