| .. _hello_world: | |
| Hello World | |
| ########### | |
| Overview | |
| ******** | |
| A simple sample that can be used with any :ref:`supported board <boards>` and | |
| prints "Hello World" to the console. | |
| Building and Running | |
| ******************** | |
| This application can be built and executed on QEMU as follows: | |
| .. zephyr-app-commands:: | |
| :zephyr-app: samples/hello_world | |
| :host-os: unix | |
| :board: qemu_x86 | |
| :goals: run | |
| :compact: | |
| To build for another board, change "qemu_x86" above to that board's name. | |
| Sample Output | |
| ============= | |
| .. code-block:: console | |
| Hello World! x86 | |
| Exit QEMU by pressing :kbd:`CTRL+A` :kbd:`x`. |