一个临界变数是路径的数值，你以回声$路径指令能在指令行检查。

One critical variable is the value of PATH, which you can check at the command line with the echo $PATH command.

youdao

一个临界变数是路径的数值，你以回声$路径指令能在指令行检查。

One critical variable is the value of PATH, which you can check at the command line with the echo $PATH command.

youdao