add file about Close Shell -basic team

git-svn-id: svn+ssh://atelier.inf.usi.ch/home/bevilj/group-1@143 a672b425-5310-4d7a-af5c-997e18724b81

site/pages/cmd/basic/Close-Shell.html

@@ -0,0 +1,16 @@
+---
+layout: page
+category_title: Basic commands
+category-page: basic
+tags: Close shell
+author: Marzio Lunghi
+title: CLose Shell
+<!--next-page: pages/cmd/basic/ --> <!-- The sequence must be defined -->
+---
+
+<h2> Close </h2>
+
+<p> If you want to close the shell session, all you have to do is press <code> ^ (control) + D.</code>
+Apply the change and save the session.
+After closing the session, the screen is still visible but the program does not allow you to type a new command.
+To continue using the shel all you need to do is quit the terminal and reopen the application </p>