A.ping
B.ipconfig
C.ifconfig
D.netstat

A.systemctl restart network.service
B.systemctl network restart
C.systemctl status network
D.systemctl reload network

A.vI
B.Vi
C.vi
D.VI

A.ipaddr
B.netmask
C.IPADDR
D.GATEWAY

A.一行一行的显示文件内容
B.一页一页的显示文件内容
C.退出浏览文件内容
D.每页5行的显示内容

A.cat –N /etc/passwd
B.cat –n /etc/passwd
C.Cat –n /etc/passwd
D.cat -b /etc/passwd

A.mkdir /a/b/c/d
B.rmdir /a/b/c/d
C.mkdir –p /a/b/c/d
D.mkdir –r /a/b/c/d

A.在最近工作过的两个目录之间切换
B.返回到用户家目录
C.返回到上一级目录
D.进入子目录

A.cd home/test
B.cd ..
C.cd etc
D.cd /home/test

A.root
B.localhost
C.~
D.#

A.root
B.localhost
C.~
D.#