Rebind tmux prefix to screen prefix

tmux.conf

@@ -1,4 +1,12 @@
+# Rebind prefix to C-a
+unbind C-b
+set -g prefix C-a
+bind C-a send-prefix
+
+# Remove excess delay when hitting escape
 set -sg escape-time 0
+
+# Bar coloring and position
 set -g status-bg black
 set -g status-fg green
 set-option -g status-position top