Besides making the application flow, another major task in test automation is to validate various application data and messages on the terminal screen.
除了产生应用程序流之外，在测试自动控制工作中的另一项主要任务是验证终端屏幕上的应用程序数据和消息。
2
Now, if you want to calculate the time that it takes to get close to terminal speed, that is not an easy task, because you are going to end up with a nasty differential equation.
现在，如果你计算时间，会很接近终端速度，这并不简单，因为你们要解一个，令人厌恶的微分方程。
3
Similarly, the background task expects input from the controlling terminal, but the controlling terminal has no way of directing any characters you type to the stdin of a background process.