My tmux conf

.tmux.conf

set-option -g prefix C-a
#use "v" and "s" to do vertical/horizontal splits, like vim
bind s split-window -v
bind v split-window -h

# use the vim motion keys to move between panes
bind h select-pane -L
bind j select-pane -D
bind k select-pane -U
bind l select-pane -R

# use vim motion keys while in copy mode
setw -g mode-keys vi
# use the vim resize keys.
# the number at the end is how much the pane will be resized,
# and 1 is fairly small -- you might want to tweak this.
bind - resize-pane -D 1
bind + resize-pane -U 1