Keyboard shortcuts are preset in the system, but you can add new ones or change them easily. For instance, change the default shortcut Ctrl+Alt+T (Run a Terminal) to Win+R (press R while holding down the Windows key, also known as Super key) by the following steps:
Keyboard ShortcutsGo To System > Preferences > Keyboard Shortcuts
Browse to Desktop > "Run a terminal"
Click on the Shortcut, and it shows "New shortcut..."
Press Win+R, and it shows Mod4+R
Click the Close button and try the new shortcut.
To disable a shortcut, press Backspace when it shows "New shortcut..." after the step 3 above.
Shortcuts begin with XF86 refer to special keys available to some multimedia keyboards.
Keyboard shortcuts can also be set by changing keybinding values with Configuration Editor. Press Alt+F2 and enter gconf-editor, then navigate to apps > gnome_settings_daemon > keybindings, or apps > metacity > global_keybindings and window_keybindings.
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