单项选择题
A.passwd B.vncpasswd C.smbpasswd D.htpasswd
A.only_from=172.18.1.0/24 B.no_access=172.18.1.0/24 C.access_times=172.18.1.0/24 D.disable=172.18.1.0/24
A./etc/group B./etc/netgroup C./etc/libsafe.notify D./etc/shadow
A.用户的根目录 B./ C.~ D./tmp
A.关机 B.重启 C.切换到图形 D.切换到字符
A.ext2 B.ext3 C.vfat D.iso9660
A.2和0 B.0和0 C.1和0 D.500和500
A.cp-i./dir1/*./dir2 B.cp-P./dir1/*./dir2 C.cp-d./dir1/*./dir2 D.cp-r./dir1/*./dir2
A.22 B.23 C.80 D.8080
A./etc/httpd/httpd.conf B./etc/ssh/sshd_config C./etc/named.conf D./etc/xinetd
A.telnet_server B.telnet C.openssh_server D.tigervnc_server