Using the iTerm 2 and tmux integration
For a few years now, I've been using iTerm 2 and tmux. But only recently did I find out about a pretty important feature of iTerm: tmux integration. I found out because I was getting tired of tmux as a window manager and started looking for alternatives.
The tmux integration basically means that you use iTerm 2 as you normally would for window management, except it uses tmux on the backend for multiplexing.
tl;dr
tmux -CC
tmux -CC attach