单项选择题
A.地址B.端口C.地址+端口D.都不对
A.mv/home/user1/aaabbb B.mv/home/user1/aaa/home/user1/bbb C.cp/home/user1/aaabbb D.cp/home/user1/aaa/home/user1/bbb
A.4个 B.8个或16个 C.32个 D.128个