this is obsolete doc -- see http://doc.nethence.com/ instead
Ubuntu Desktop survival guide
Bringing Unity back up and running
Restore Nautilus as default desktop file manager for Unity,
apt install --reinstall nautilus
rm -rf ~/.config/nautilus/
gsettings set org.gnome.desktop.background show-desktop-icons true
xdg-mime default nautilus.desktop inode/directory application/x-gnome-saved-search
Ref. http://www.webupd8.org/2013/10/install-nemo-with-unity-patches-and.html
Enable traditional right click to resize a window,
sudo apt-get install compizconfig-settings-manager
ccsm
Window Management and Resize Window.
Initiate Window Resize assign <Alt>Button3.
Ref. http://askubuntu.com/questions/231195/how-to-enable-altright-click-to-resize-window