Hey!
I tried to make a video :): http://cloud.mikeasaur.us/2Y2I2x3h0O0v
As I write this, I'm realizing it's super confusing at first. So I hope this makes sense.
From a new terminal, I first start a new tmux session
tmux new -s mike
(after -s is the name of the session)
Then i create new splits with the following:
ctrl + a + _
ctrl + a + /
ctrl + a is my tmux prefix. By default, it is typically ctrl + b. But I find that hard, so I changed it to a.
"prefix" basically means, when I hit these keys, whatever comes next is a command for tmux.
More info: http://zanshin.net/2014/12/27/changing-my-tmux-command-prefix-to-tic/
For splits, I then I have it mapped for prefix + either _ or . The reasoning for that is _ looks like a horizontal split. And \ looks like a vertical split.
More info about that here: https://robots.thoughtbot.com/a-tmux-crash-course Key bindings: https://github.com/christoomey/dotfiles/blob/master/tmux/tmux.conf#L115-L117
I then navigate between splits using ctrl + hjkl.
More info: https://robots.thoughtbot.com/seamlessly-navigate-vim-and-tmux-splits
Hope that helps! After a little bit it becomes muscle memory. But super confusing at first.