How to rearrange Alt, Ctrl and Win keys on Linux: Win as Alt and Ctrl/Alt as Ctrl? On Linux, the Win key is seldom used. Mapping the Alt keys which are close to my thumb is damn convenient for Emacs users.
Hence, the keyboard at the bottom line would look like:
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|Ctrl|Alt|Ctrl| Space Bar |Ctrl|Fn/Menu|Ctrl|
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You can also set it in gnome-tweak-tool in Gnome 3 by setting the “Alt/Win key behavior”:
I wonder how you are using Gnome 3 but not using the Windows key. That is by far the most useful key when you’re using Gnome :P