Then, when you run CD, the variable PWD will be updated and displayed as part of the shell prompt.

然后，当您运行cd时，变量pwd将被更新并显示为shell提示的一部分。

youdao

In this lesson, I will introduce your first three commands: PWD (print working directory), CD (change directory), and ls (list files and directories).

在这一节，我会首先向你介绍三个命令：pwd(打印当前工作目录)，cd(改变目录)，还有ls(显示出文件和目录)。

youdao