tmux.conf

# copy/paste
set-option -g default-command "reattach-to-user-namespace -l zsh"

# improve colors
set -g default-terminal 'screen-256color'
set-window-option -g xterm-keys on

# act like vim
setw -g mode-keys vi
bind | split-window -h
bind _ split-window -v
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

# force a reload of the config file
unbind r
bind r source-file ~/.tmux.conf

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

# start pane numbers at 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 colour235 # dark gray
set -g status-fg colour250 # light gray

# remove administrative debris (session name, hostname, time) in status bar
set -g status-left-length 20
set -g status-left '#[fg=green][#S]'
set -g status-right '#[fg=black]%Y-%m-%d %H:%M'

# increase scrollback lines
set -g history-limit 10000