tmux.conf - change leader key to `

.tmux.conf

# Change prefix key to backtick (`)
unbind C-b
set-option -g prefix `
bind ` send-prefix

# history size - number of lines
set -g history-limit 100000

####################################
# make scroll/"copy" mode friendlier
####################################

# trigger copy mode by
bind -n M-Up copy-mode

# Scroll up/down by 1 line, half screen, whole screen
bind -T copy-mode-vi M-Up              send-keys -X scroll-up
bind -T copy-mode-vi M-Down            send-keys -X scroll-down
bind -T copy-mode-vi M-PageUp          send-keys -X halfpage-up
bind -T copy-mode-vi M-PageDown        send-keys -X halfpage-down
bind -T copy-mode-vi PageDown          send-keys -X page-down
bind -T copy-mode-vi PageUp            send-keys -X page-up

###############
# mouse tweaks
###############
set -g mouse on

#####################################
# change window split / move bindings
#####################################
# split panes using | and -
bind | split-window -h
bind - split-window -v
bind 0 kill-pane
unbind '"'
unbind %

# automatically resize the session when the window resizes
set-window-option -g aggressive-resize