Which of the following commands makes /bin/foo executable by everyone but writable only by its owner？（）
- A、 chmod 557 /bin/foo
- B、 chmod o+rwx.a+rx/bin/foo
- C、 chown 557 /bin/foo
- D、 chmod 755/bin/foo
正确答案:D
答案解析:有
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Which of the following commands makes /bin/foo executable by everyone but writable only by its owner？（）
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