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