要完成本教程，您需要拥有下面的访问权限，并在您的计算机上安装和运行以下软件。
To follow along with this tutorial, you will need to have the following access and software installed and running on your computer.
或许仅仅阅读本文即可满足您的需求，但如果想下载代码并在自己的计算机上运行(或许还想略加修改)，则以下提示可能会有所帮助。
Perhaps you have been content just to read along, but if you wanted to download the code and get this running on your machine, and perhaps tinker with it, the following tips may help.
要使用此特性，您需要一台能够运行Linux的桌面机或便携式计算机，并在Linux系统中安装unitTest特性软件。
You need a desktop or laptop machine that can run Linux, and have the Unit Test feature software installed in the Linux system.
如果希望播放这些录像，您需要下载并在本地计算机上安装基本的Camtasia Player。
If you wish to play these recordings, you will need to have the basic Camtasia Player downloaded and installed on your local machine.
注意： 您会等一段时间，如果计算机很久没有操作，就请关机后，然后打开计算机，重新运行安装程序，并在提示时选择“安全恢复”。
NOTE: This may take several minutes. If your computer does not respond for an unreasonably long time, turn it off and then back on. Run Setup again and choose Safe Recovery when prompted.
注意： 您会等一段时间，如果计算机很久没有操作，就请关机后，然后打开计算机，重新运行安装程序，并在提示时选择“安全恢复”。
NOTE: This may take several minutes. If your computer does not respond for an unreasonably long time, turn it off and then back on. Run Setup again and choose Safe Recovery when prompted.
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