Add clear-history binding to tmux.conf

tmux.conf

@@ -131,6 +131,11 @@ bind-key - \
     swap-pane -s tmux-zoom.1 \;\
     kill-window -t tmux-zoom
 
+# Clear history
+# Bash uses C-l to clear the screen, so you can use C-l, C-k to clear the
+# screen and the scrollback buffer too
+bind-key -n C-k clear-history
+
 # Terminator style pane switching
 # OSX Terminal.app, enable Use option as meta key
 # and delete the key bindings for Option Cursor left & Option Cursor right