And voila, I knew this was going to happen, I finally switched to tmux. I will not explain here why this software is better than GNU screen, simply put, tmux is now part of the base system of nearly all BSD derivative operating systems (NetBSD among them), and it makes my life easier.
Instead, I’ll point out here all the resources that helped me switching rather quickly:
Generic hands-on https://wiki.archlinux.org/index.php/Tmux Commented example http://www.