인프런 커뮤니티 질문&답변

Cygwin 설치방법 :

https://cysecguide.blogspot.com/2018/12/cygwinlinux-feeling-on-windows.html

Cygwin site :

https://cygwin.com/install.html

IRC 접속방법 : 

https://cysecguide.blogspot.com/2018/10/weechat-connect-to-irc-server.html