问题
单项选择题
If file A has the capability of 724，the same group’s users of file A may do
A．read A Only
B．write A
C．execute A
D．non-operation
答案
参考答案：B
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If file A has the capability of 724，the same group’s users of file A may do
A．read A Only
B．write A
C．execute A
D．non-operation
参考答案：B