.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 %

# reload config file (change file location to your the tmux.conf you want to use)
bind r source-file ~/.tmux.conf

# switch panes using Alt-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

# Enable mouse control (clickable windows, panes, resizable panes)
set-window-option -g mode-mouse on
set -g mouse-select-window on
set -g mouse-select-pane on
set -g mouse-resize-pane on

# don't rename windows automatically
set-option -g allow-rename off
set -g terminal-overrides 'xterm*:smcup@:rmcup@'