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

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