如果学员练习时发现问题，教师可以通过查看相应的终端模拟器了解学员的操作。

If a student has a question during an exercise, the instructor can look at the proper terminal emulator to see what the student is doing.

youdao

如果程序(例如终端模拟器)连接到该端口，就会通过该连接得到来自主机的流。

If a program (such as a terminal emulator) connects to that port, it will get the stream from the mainframe through the connection. Whatever it sends to the connection will go to the next program...

youdao

如果教师不知道哪个终端模拟器窗口与该学员对应，可以要求学员输入特定形式的关键字，然后查看哪个窗口显示了该关键字。

If the instructor does not know which terminal emulator window corresponds to the student, he or she can ask the student to enter a keyword on a particular form and see which window displays it.

youdao