A.servicenamedstart
B./etc/init.d/namedstart
C.servicednsstart
D./etc/init.d/dnsstart
A./etc/profile-->~/.bash_profile-->~/.profile-->~/.bash_login
B./etc/profile-->~/.bash_profile-->~/.bash_login-->~/.profile
C.~/.bash_profile-->/etc/profile-->~/.profile-->~/.bash_login
D.~/.bash_login-->~/.profile-->~/.bash_profile-->/etc/profile
A、用户主目录
B、Linux系统里所有用户的注册名(login_name)
C、用户命令解释程序
D、使用“*”来代替所有用户的口令
A./etcarch
B./etc/domain
C./etc/nameserver
D./etc/resolv.conf