单选题Which single compound ’chmod’ command would achieve the same result as these four commands？（）Achmod go+w mydirBchmod go-w mydirCchmod go-w-x mydirDchmod go-w+x mydir
单选题
Which single compound ’chmod’ command would achieve the same result as these four commands？（）
A
chmod go+w mydir
B
chmod go-w mydir
C
chmod go-w-x mydir
D
chmod go-w+x mydir
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