To be able to use the Win keys for hotkeys in GNOME, you need to do the following:
Gimly comments…
You can use the familiar Win+D, Win+L, and similar combinations for this purpose — found it here.
Tested on Ubuntu 8.04 (Hardy Heron) — dialog translations are as of the publication date.
System -> Preferences -> Keyboard Select the Layouts tab, then click the Layout Options button at the bottom.
In the dialog, expand the Alt/Win key behavior list and select the item Super is mapped to the Win-keys. Close the dialogs.
Now, when configuring shortcuts in the System -> Preferences -> Keyboard Shortcuts dialog, you can specify Win+key combinations.
Instead of “Super L”, the combinations will appear as “Mod4+key”.