.tmux.conf

# remap prefix from 'C-b' to 'C-a'
unbind C-b
set-option -g prefix C-a
bind-key C-a send-prefix

# split panes using | and -
bind | split-window -h
bind - split-window -v
unbind '"'
unbind %

# switch panes using option-arrow without prefix
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

set -g default-terminal "screen-256color"
set-option -g status-position bottom
set-window-option -g xterm-keys on
bind-key -n S-Up set-option -g status
bind-key -n S-Down set-option -g status
bind-key -n S-Left previous-window
bind-key -n S-Right next-window
set-option -g status-fg white
set-option -g status-bg default
set-option -g status-attr default
set-window-option -g window-status-fg "#666666"
set-window-option -g window-status-bg default
set-window-option -g window-status-attr default
set-window-option -g window-status-current-fg green
set-window-option -g window-status-current-bg default
set-window-option -g window-status-current-attr default
set-option -g message-fg black
set-option -g message-bg white
set-option -g message-attr dim
set -g status-left " "
set -g status-justify centre
setw -g window-status-format         ' #(echo "#{pane_current_command}") '
setw -g window-status-current-format ' #(echo "#{pane_current_command}") '
set -g status-right " "