VxWorks 是美国 Wind River System 公司（ 以下简称风河公司 ，即 WRS 公司）推出的一个实时操作系统。Tornado 是WRS 公司推出的一套实时操作系统开发环境，类似MicrosoftVisual C，但是提供了更丰富的调试、仿真环境和工具。(The United States is the VxWorks Wind River System company (hereinafter referred to as the wind river company, WRS company) launched a real-time operating system. Tornado is a real-time operation system development environment launched by WRS, similar to MicrosoftVisual C, but it provides richer debugging, simulation environment and tools.)