基础网络命令(17个) telnet,ssh,sshpass,scp,wget,ping,route,ifconfig,ifup,ifdown,netstat,ss,rsync,ip,ethtool,mii-tool,brctl 深入网络命令(12个) nmap,lsof,mail,mutt,nslookup,dig,host,traceroute,tcpdump,starce,curl,elinks 9.1.telnet 功能:执行telnet指令开启终端机阶段作业,并登入远端主机 语法格式: