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在命令行向上寻找命令历史的时候，想到不在需要执行的目录，然后右击左边目录CD到当前位置后，突然发现执行了rm -rf XXXcd /XXX,然后就直接把内容给删掉了，希望后续能做出相应优化，跳转目录前先把命令行清空！！！
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