I was playing around in Unity 2D, and I messed up my configuration. How can I reset it, preferably without losing other config files? (such as Empathy config, Firefox/Chrome config, etc)
Open a terminal and type
to reset Unity 2D to defaults, or IMPORTANT - THIS RESETS EVERYTHING NOT JUST UNITY-2D
to reset Unity (3D).
If default Ubuntu Nautilus theme is also missing, close all instances and type
Although this link may seem off topic, it covers some of the information I believe you are looking for.
Edit: Whoops, I see fossfreedom was already on the case.
User: fossfreedom points out,
The list of sessions is described in the directory:
For unity-2d the session file is called:
fossfreedom goes on to explain how to reset this to default. Hopefully, this method would leave your files intact.
if the close, maximize and minimize disapeared, try this:
To reset unity type the following in the terminal:
To reset the unity icons type:
To reset Compiz type (NOTE: this will reset ALL compiz settings):
The above command will reset the respective elements back to their default configuration.