Which of the following commands changes a file characteristic so that it cannot be seen with astandard directory query? （）
- A、attrib file.txt +h
- B、attrib file.txt +r
- C、ren file.txt
- D、attrib file.txt +s
正确答案:A
答案解析:有
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Which of the following commands changes a file characteristic so that it cannot be seen with astandard directory query? （）
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