A./home
B./etc
C./dev
D./tmp

A./var
B./usr
C./tmp
D./var/log

A.全32位操作系统
B.多任务的操作系统
C.是一个多用户操作系统
D.单线程

A.X windows
B.KDE
C.X window
D.K桌面环境

A.service named start
B./etc/init.d/named start
C.service dns start
D./etc/init.d/dns restart

A./etc/hosts
B./etc/host.conf
C./etc/sysocnfig/network
D./etc/resolv.conf

A./etc/sysconfig/network-scripts/ifcfg-eth0
B./etc/sysconfig/network
C./etc/resolv.conf
D./etc/host.conf

A.ps all
B.ps aix
C.ps auf
D.ps aux

A.userdel -p user
B.userdel -r user
C.userdel -a user
D.userdel -z user

A.user user
B.user add user
C.add user

A.？ls
B.help ls
C.man ls
D.get ls