# 使用命令行工具

AliOS Things 在命令行中使用 [aos-cube](/docs/documentation/tools/aos-cube.md) 工具完成系统编译构建，参数以 `app@board` 的形式组建出构建目标。

## 配置环境

您可以尝试一键安装脚本[Setup Script for Linux/Mac](http://p28phe5s5.bkt.clouddn.com/setup_linux_osx.sh), 或者按以下命令手动安装依赖的软件包 例：在一台 Ubuntu 16.04 LTS (Xenial Xerus) 64-bit PC 上

```bash
sudo apt-get install -y python
sudo apt-get install -y gcc-multilib
sudo apt-get install -y libssl-dev libssl-dev:i386
sudo apt-get install -y libncurses5-dev libncurses5-dev:i386
sudo apt-get install -y libreadline-dev libreadline-dev:i386
sudo apt-get install -y python-pip
sudo apt-get install -y minicom
```

## 安装 aos-cube

首先, 用 python 包管理器 `pip` 来安装 `aos-cube` 在全局环境，以便于后续使用 AliOS Things Studio 进行开发。

```bash
$ pip install setuptools
$ pip install wheel
$ pip install aos-cube
```

!> 请确认`pip`环境是基于 Python 2.7 的。如果遇到权限问题，可能需要 `sudo` 来执行。

## 下载代码并编译运行

```bash
git clone https://github.com/alibaba/AliOS-Things.git
cd AliOS-Things
aos make helloworld@linuxhost
./out/helloworld@linuxhost/binary/helloworld@linuxhost.elf
```

## 效果

可以看见 `app_delayed_action` 在1秒时启动，每5秒触发一次。

```bash
$ ./out/helloworld@linuxhost/binary/helloworld@linuxhost.elf
 [   1.000]<V> AOS [app_delayed_action#9] : app_delayed_action:9 app
 [   6.000]<V> AOS [app_delayed_action#9] : app_delayed_action:9 app
 [  11.000]<V> AOS [app_delayed_action#9] : app_delayed_action:9 app
 [  16.000]<V> AOS [app_delayed_action#9] : app_delayed_action:9 app
```


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