basic tmux conf

.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 %

# shortcut to synchronize-panes
bind s set-window-option synchronize-panes

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

# vim-like navigation
bind j select-pane -L
bind k select-pane -D
bind i select-pane -U
bind l select-pane -R