.tmux.conf

# prefix
unbind C-b
set -g prefix C-t

# hjklでpaneを移動
bind h select-pane -L
bind j select-pane -D
bind k select-pane -U
bind l select-pane -R

#hjklで伸縮
bind -r C-h resize-pane -L 5
bind -r C-l resize-pane -R 5
bind -r C-j resize-pane -D 5
bind -r C-k resize-pane -U 5

set-option -g history-limit 10000

# mouse over
set-option -g mouse-select-pane on
set-option -g mouse-select-window on
set-option -g mouse-resize-pane on
set-option -g mode-mouse on
# set-option -g mouse on # version > 2

set-option -g default-shell /bin/bash

http://qiita.com/trisland/items/29f81b14fc350287bfd1