单项选择题
Unix和Linux系统避免蠕虫恶意代码攻击,需要装备那个文件()
A./ETC/PASSWD
B./ETC/SHADOW
C./ETC/SECURITY
D./ETC/PWLOG
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单项选择题
A./ETC/PASSWD
B./ETC/SHADOW
C./ETC/SECURITY
D./ETC/PWLOG
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