# adb > Android Debug Bridge: communicate with an Android emulator instance or connected Android devices. > Some subcommands such as `adb shell` have their own usage documentation. > More information: . - Check whether the adb server process is running and start it: `adb start-server` - Terminate the adb server process: `adb kill-server` - Start a remote shell in the target emulator/device instance: `adb shell` - Push an Android application to an emulator/device: `adb install -r {{path/to/file.apk}}` - Copy a file/directory from the target device: `adb pull {{path/to/device_file_or_directory}} {{path/to/local_destination_directory}}` - Copy a file/directory to the target device: `adb push {{path/to/local_file_or_directory}} {{path/to/device_destination_directory}}` - Get a list of connected devices: `adb devices`