A./etc/default/login中设置CONSOLE=/dev/root
B./etc/default/login中设置CONSOLE=/dev/null
C./etc/default/login中设置CONSOLE=/dev/boot
D./etc/default/login中设置CONSOLE=/etc/null

A.find/-userroot-perm-4000–print
B.find/-userroot–perm-2000–print
C.find/-userroot–perm-7000–print
D.find/-typesuid–print

A.SERVICES
B.COMPONENTS
C.APPLETS
D.DAEMONS

A.D
B.C₁
C.C₂
D.B₂

A.r－可读，w－可写，x－可执行
B.r－不可读，w－不可写，x－不可执行
C.r－可读，w－可写，x－可删除
D.r－可修改，w－可执行，x－可修改

A./sbin/
B./usr/local/
C./export/
D./usr/

A.SSH
B.S-TELNET
C.FTP
D.RLOGON

A.可写但不可读
B.可读可写
C.可读但不可写
D.不可访问

A./etc/HOSTNAME
B./etc/networks
C./etc/resolv.conf
D./etc/hosts

A.df -s –f
B.df
C.df –y
D.fsck

A./opt
B./usr
C./etc