Some cleanup and rearranging of tmux.conf

tmux/tmux.conf.symlink

@@ -1,3 +1,8 @@
+# tmux display things in 256 colors
+set -g default-terminal "screen-256color"
+
+set -g history-limit 20000
+
 # unbind default prefix and set it to Ctrl+a
 unbind C-b
 set -g prefix C-a
@@ -9,8 +14,12 @@ bind C-a send-prefix
 # make delay shorter
 set -sg escape-time 0
 
+# tile all windows
+unbind =
+bind = select-layout tiled
+
 # cycle through panes
-unbind ^A
+unbind C-a
 unbind o # this is the default key for cycling panes
 bind ^A select-pane -t:.+
 
@@ -57,9 +66,6 @@ set -g mouse-select-pane off
 set -g mouse-resize-pane off
 set -g mouse-select-window off
 
-# tmux display things in 256 colors
-set -g default-terminal "screen-256color"
-
 # maximizing and restoring windows
 unbind Up
 bind Up new-window -d -n fullscreen \; swap-pane -s fullscreen.1 \; select-window -t fullscreen