Hiding / showing the SharePoint SP 2010 Ribbon From Anonymous restricted limited access Users in master edit page Privilege

How to hiding or showing ribbon control (with navigation breadcrumb) for anonymous or read access users like visitor or limited access users in sharepoint 2010 ( SP 2010 ) dynamically based on user's access:

SharePoint 2010 introduced new feature called “ Ribbon “ and it provides great user experience for users with elevated privileges, like contributors and site owners. However, Its not suggested for users with lease privilege, such as visitors and anonymous users since most of features are applicable for them.

SPSecurityTrimmedControl which  is used to show / hide the ribbon control.

Steps:

1)      Open your SharePoint master page to edit it.

2)      Find the following line wth the highlighted text in your master page.

       <div id="s4-ribbonrow" class="s4-pr s4-ribbonrowhidetitle">

     Note: This div only contains the whole part of out of box sharepoint ribbon control.

3)  To hide the above div element, Find the following line in your master page.

      <div id="s4-workspace"

4)  Now add the following code in your master page just above the “s4-workspace” div element.

   <Sharepoint:SPSecurityTrimmedControl ID="SPSecurityTrimmedControl2" runat="server" PermissionsString="ManagePermission">
    <script type="text/javascript">
        document.getElementById("s4-ribbonrow").style.display = "none";
    </script>
</Sharepoint:SPSecurityTrimmedControl>

5)      To apply changes, Save the master page and publish it.