day1

cmd
cd \
ipconfig /all > ipconfig.txt
notepad ipconfig.txt
ncpa.cpl

ping 127.0.0.1
default gateway 내 라우터

tracert www.whitehouse.gov
ping -i 7 wwww.whitehouse.gov
nslookup www.nate.com
start http://210.234.243.149
firewall.cpl
notepad c:\windows\system32\drivers\etc\hosts
ipconfig /flushdns
start http://www.daum.net:80
(tcp,udp,ip)=socket
arp -a
arp -s  125.128.26.76         00-1e-8c-08-f1-f1
arp -d