# adb > Android Debug Bridge: communicate with an Android emulator instance or connected Android devices. - 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}}`