We use the echo command to accomplish this and save the character in the shell variable 'ht'.

我们使用echo命令实现这点并将字符保存到shell变量‘ht’中。

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

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。

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We wanted this to echo "fooThis is my environment variable!bar", but it didn't work.

我们希望回显 "fooThis is my environment variable! bar"，但却不是这样。

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