Ubuntu Ctrl + Alt + Del displays the settings of GNOME system monitor in Windows NT, 2000, XP, and Vista. If you press Ctrl + Alt + Del, "Windows Task Manager" appears ". In Ubuntu, this key combination will close the system window. If you prefer Windows and want the GNOME system monitor to appear when you press Ctrl + Alt + Del, you can set it as follows: www.2cto.com 1. Remove the existing keyboard binding. Open "System"-"Preferences"-"keyboard shortcut", find the Logout item under the Desktop, and press Ctrl + Alt + Del to highlight the item. Press the BackSpace key again, and Disabled is displayed. Close the window. 2. Open gconf-editor and find "/apps/metacity/keybinding_command". Double-click "command_1". In the displayed dialog Box, enter gnome-system-monitor in the Value Box, click OK. Switch to "/apps/metacity/global_keybindings" and double-click "run_command_1". In the displayed dialog box, enter the following string: "<Control> <Alt> Delete ". Www.2cto.com press Ctrl + Alt + Del to display the GNOME system monitor. Note that you still need to enter the sudo password when running the GNOME System Manager, which is different from Windows.