Why does it show that when I enter pwd on the command line, it is not an internal command, an external command, or an executable program?
烟斗先生
烟斗先生 2018-11-20 13:22:18
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Why when I enter pwd on the command line, it shows that it is not an internal command, an external command, or an executable program

烟斗先生
烟斗先生

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