Screen

Deadman.org: SSH-Agent Forwarding and GNU Screen
One solution for enabling the forwarding of ssh agents inside of screen.
http://www.deadman.org/sshscreen.html

GNU Screen
The official GNU Project on Screen.
http://www.gnu.org/software/screen/

GNU Screen how-to
Introductory article by Jonathan McPherson, based on his original article in Kuro5hin.
http://jmcpherson.org/screen.html

GNU Screen Wiki
A wiki about screen, including tutorials.
http://aperiodic.net/screen/

Lecture Notes on GNU Screen
Practical solutions to various difficult problems through the use of screen.
http://screen.frogcircus.org/

Screen FAQ
A list of frequently asked questions from screen@uni-erlangen.de.
http://www4.informatik.uni-erlangen.de/~jnweiger/screen-faq.html