.. _hello_world:
Hello World
###########
Overview
********
A simple Hello World example that can be used with any supported board and
prints 'Hello World' to the console. This application can be built into modes:
* single thread
* multi threading
Building and Running
********************
This project outputs 'Hello World' to the console. It can be built and executed
on QEMU as follows:
.. zephyr-app-commands::
:zephyr-app: samples/hello_world
:board: qemu_x86
:goals: run
:compact:
To build the single thread version, use the supplied configuration file for
single thread: :file:`prj_single.conf`:
.. zephyr-app-commands::
:zephyr-app: samples/hello_world
:board: qemu_x86
:conf: prj_single.conf
:goals: run
:compact:
Sample Output
=============
.. code-block:: console
Hello World! x86
ece86b23ac