How can I change the number of workspaces in workspace switcher? [duplicate]
Solution 1:
You can install and launch the Compiz Config Settings Manager (if you do this from the terminal, the command is ccsm).
The english version of the button you have to click will probably be called "General Options":
There is a tab probably called "Desktop Size". There you can change the number of rows and columns of the workspaces.
Changing those value to 4 / 2 instead of 2 / 2 results in this:
