To lock the screen, perform one of the following actions:
Choose
-> .If the
button is present on a panel, click on the button.To add the
button to a panel, right-click on the panel. Choose -> -> .When you lock your screen, the screensaver starts. To unlock the screen, move your mouse to display the locked screen dialog. Enter your username and password in the locked screen dialog, then press Return.
For information on configuring your screensaver, see Using Preference Tools.
To lock your screen correctly, you must have a screensaver enabled.