diff --git a/i3_config b/i3_config
index 55f806d..22e9200 100644
--- a/i3_config
+++ b/i3_config
@@ -92,9 +92,9 @@ bindsym $mod+v split v
 bindsym $mod+f fullscreen toggle
 
 # change container layout (stacked, tabbed, toggle split)
-bindsym $mod+s layout stacking
-bindsym $mod+w layout tabbed
-bindsym $mod+e layout toggle split
+#bindsym $mod+s layout stacking
+#bindsym $mod+w layout tabbed
+#bindsym $mod+e layout toggle split
 
 # toggle tiling / floating
 bindsym $mod+Shift+space floating toggle
@@ -157,8 +157,6 @@ bindsym $mod+Ctrl+Shift+Left move container to workspace prev
 bindsym $mod+Shift+c reload
 # restart i3 inplace (preserves your layout/session, can be used to upgrade i3)
 bindsym $mod+Shift+r restart
-# exit i3 (logs you out of your X session)
-bindsym $mod+Shift+e exec "i3-nagbar -t warning -m 'You pressed the exit shortcut. Do you really want to exit i3? This will end your X session.' -B 'Yes, exit i3' 'i3-msg exit'"
 
 # resize window (you can also use the mouse for that)
 mode "resize" {
@@ -187,6 +185,25 @@ mode "resize" {
 
 bindsym $mod+r mode "resize"
 
+# exit i3 (logs you out of your X session)
+#bindsym $mod+Shift+e exec "i3-nagbar -t warning -m 'You pressed the exit shortcut. Do you really want to exit i3? This will end your X session.' -B 'Yes, exit i3' 'i3-msg exit'"
+
+# create a "system" mode
+set $mode_system System (l) lock, (e) logout, (s) suspend, (h) hibernate, (r) reboot, (Shift+s) shutdown
+mode "$mode_system" {
+    bindsym l exec --no-startup-id i3lock, mode "default"
+    bindsym e exec --no-startup-id i3exit logout, mode "default"
+    bindsym s exec --no-startup-id i3exit suspend, mode "default"
+    bindsym h exec --no-startup-id i3exit hibernate, mode "default"
+    bindsym r exec --no-startup-id i3exit reboot, mode "default"
+    bindsym Shift+s exec --no-startup-id i3exit shutdown, mode "default"
+
+    # back to normal: Enter or Escape
+    bindsym Return mode "default"
+    bindsym Escape mode "default"
+}
+bindsym $mod+Delete mode "$mode_system"
+
 # Start i3bar to display a workspace bar (plus the system information i3status
 # finds out, if available)
 bar {