tmux.conf

# Improve colors
set -g default-terminal 'tmux-256color'

# Scroll your way into copy mode (scrollback buffer) and select text for
# copying with the mouse
setw -g mouse on
bind -n WheelUpPane if-shell -F -t = "#{mouse_any_flag}" "send-keys -M" "if -Ft= '#{pane_in_mode}' 'send-keys -M' 'select-pane -t=; copy-mode -e; send-keys -M'"
bind -n WheelDownPane select-pane -t= \; send-keys -M

# act like vim
setw -g mode-keys vi
bind h select-pane -L
bind j select-pane -D
bind k select-pane -U
bind l select-pane -R
bind-key -r C-h select-window -t :-
bind-key -r C-l select-window -t :+

# act like GNU screen
unbind C-b
set -g prefix C-a

# start window numbers at 1 to match keyboard order with tmux window order
set -g base-index 1
set-window-option -g pane-base-index 1

# renumber windows sequentially after closing any of them
set -g renumber-windows on

# soften status bar color from harsh green to light gray
set -g status-bg '#666666'
set -g status-fg '#aaaaaa'

# remove administrative debris (session name, hostname, time) in status bar
set -g status-left ''
set -g status-right ''

# increase scrollback lines
set -g history-limit 10000

# switch to last pane
bind-key C-a last-pane

# address vim mode switching delay (http://superuser.com/a/252717/65504)
set -s escape-time 0

set-option -g default-command "zsh"