Starter tmux configuration

.tmux.conf

###########################
#  Configuration
###########################

# use 256 term for pretty colors
set -g default-terminal "screen-256color"

# increase scroll-back history
set -g history-limit 5000

# use vim key bindings
setw -g mode-keys vi

# enable mouse
set -g mode-mouse on
set -g mouse-resize-pane on
set -g mouse-select-pane on
set -g mouse-select-window on

# decrease command delay (increases vim responsiveness)
set -sg escape-time 1

# increase repeat time for repeatable commands
set -g repeat-time 1000

# start window index at 1
set -g base-index 1

# start pane index at 1
setw -g pane-base-index 1

# highlight window when it has new activity
#setw -g monitor-activity on
#set -g visual-activity on

# re-number windows when one is closed
set -g renumber-windows on

# enable pbcopy and pbpaste
# https://github.com/ChrisJohnsen/tmux-MacOSX-pasteboard/blob/master/README.md
set-option -g default-command "reattach-to-user-namespace -l zsh"

###########################
#  Key Bindings
###########################

# tmux prefix
unbind C-b
set -g prefix "C-\\"

# copy with 'enter' or 'y' and send to mac os clipboard: http://goo.gl/2Bfn8
unbind -t vi-copy Enter
bind-key -t vi-copy Enter copy-pipe "reattach-to-user-namespace pbcopy"
bind-key -t vi-copy y copy-pipe "reattach-to-user-namespace pbcopy"

# create 'v' alias for selecting text
bind-key -t vi-copy v begin-selection

# paste
unbind C-p
bind C-p paste-buffer

# window splitting
unbind %
bind | split-window -h
unbind '"'
bind - split-window -v

# resize panes
bind -r H resize-pane -L 5
bind -r J resize-pane -D 5
bind -r K resize-pane -U 5
bind -r L resize-pane -R 5

# quickly switch panes
unbind ^J
bind ^J select-pane -t :.+

bind -n M-Left select-pane -L
bind -n M-Right select-pane -R
bind -n M-Up select-pane -U
bind -n M-Down select-pane -D

bind h select-pane -L
bind l select-pane -R
bind k select-pane -U
bind j select-pane -D

# force a reload of the config file
unbind r
bind r source-file ~/.tmux.conf \; display "Reloaded!"

###########################
# Status Bar
###########################

# enable UTF-8 support in status bar
set -g status-utf8 on

# set refresh interval for status bar
#set -g status-interval 30

# center the status bar
set -g status-justify left

# show session, window, pane in left status bar
set -g status-left-length 40
# #I:#P
set -g status-left '#[fg=blue] [#I]#[default]'

# show hostname, date, time, and battery in right status bar
set-option -g status-right '#[fg=green]#S@#h#[default]'

###########################
# Colors
###########################

# color status bar
set -g status-bg colour235
set -g status-fg white

# highlight current window
set-window-option -g window-status-current-fg black
set-window-option -g window-status-current-bg green

# set color of active pane
set -g pane-border-fg colour235
set -g pane-border-bg black
set -g pane-active-border-fg green
set -g pane-active-border-bg black

You need to install: https://github.com/ChrisJohnsen/tmux-MacOSX-pasteboard/blob/master/README.md or remove the line: set-option -g default-command "reattach-to-user-namespace -l zsh"