OpenBSD .tmux.conf (decwindows) nice tmux :)

# Tmux config by: RAZ0REDGE for OpenBSD Decwindows
# set command prefix for tmux
set-option -g prefix C-a
unbind C-r

# set vi mode keys
setw -g mode-keys vi

# set some bindings for moving around terminals (vim-like)
bind h select-pane -L
bind j select-pane -D
bind k select-pane -U
bind l select-pane -R

# Define my custom menu bar
# status bar colors
set -g status-bg default
set -g status-fg red

# alignment settings
set-option -g status-position top
set-option -g status-justify centre

# status left options
set-option -g status-left '#[fg=red]« #[bg=default,fg=yellow]#S#[fg=red] »'
set-option -g status-left-length 20

# window list options
setw -g automatic-rename on
set-option -g status-justify centre
set-window-option -g window-status-format '#[fg=red]#I#[fg=yellow]:#[default]#W#[fg=grey]#F'
set-window-option -g window-status-current-format '#[fg=red]« #[bg=default,fg=yellow,bold]#I#[bg=default,fg=red]:#[fg=colour230]#W#[fg=dim]#F#[fg=red] »'
set -g base-index 1

# status right options

set -g status-right '#[fg=red]« #[fg=yellow]%Y-%m-%d #[fg=yellow]%H:%M#[default] #($HOME/bin/battery)#[fg=red]»'


# bind a reload key
bind R source-file ~/.tmux.conf \; display-message " Config reloaded..".


# Set Copy-Mode settings
bind [ copy-mode
bind -t vi-copy v begin-selection
bind -t vi-copy y copy-selection
bind -t vi-copy V rectangle-toggle
bind ] paste-buffer

# buffer
bind Space choose-buffer