Screen
http://www.gentei.org/~yuuji/rec/pc/intro-screen.html
http://www.ayu.ics.keio.ac.jp/members/mukai/tips/screen.html
http://risky-safety.org/~zinnia/screen/
http://www.gentei.org/~yuuji/rec/pc/intro-screen.html
http://www.ayu.ics.keio.ac.jp/members/mukai/tips/screen.html
http://risky-safety.org/~zinnia/screen/