diff --git a/README.md b/README.md
index 0f1c97f..f480f2b 100644
--- a/README.md
+++ b/README.md
@@ -26,6 +26,11 @@ Host *.dev
     ForwardAgent yes
 ```
 
+## MacOSX supend the running machinse on user logout (shutdown)
+
+Copy the files `tools/vagrant-suspend` to `/usr/local/bin/vagrant-suspend` and register the logout hook with:
+`sudo defaults write com.apple.loginwindow LogoutHook /usr/local/bin/vagrant-suspend`
+
 ## Symfony modification
 
 ### Update your app/AppKernel.php
diff --git a/tools/vagrant-suspend b/tools/vagrant-suspend
new file mode 100755
index 0000000..be86ce8
--- /dev/null
+++ b/tools/vagrant-suspend
@@ -0,0 +1,23 @@
+#!/usr/bin/env php
+<?php
+
+// sudo defaults write com.apple.loginwindow LogoutHook /usr/local/bin/vagrant-suspend
+
+$user = exec('stat -f \'%Su\' /dev/console');
+
+echo sprintf('User: %s', $user);
+$output = array();
+$command = sprintf('sudo -u %s VBoxManage list runningvms', $user);
+echo $command . "\n";
+exec($command, $output);
+
+foreach($output as $line) {
+    $matches = array();
+    if(preg_match('/{([^}]+)}/', $line, $matches) !== 1) {
+        throw new \Exception(sprintf('Can\'t parse the following line: %s', $line));
+    }
+    $command = sprintf('sudo -u %s VBoxManage controlvm %s savestate', $user, $matches[1]);
+    echo $command . "\n";
+    exec($command);
+    echo 'done' . "\n";
+}
\ No newline at end of file