How to custmize KDE’s window titlebar buttons
If you are using the latest KDE edition of your favorite distribution, your window titlebar could be missing a button or two that you most certainly need. That is definitely the case on Sabayon 9 KDE. The titlebar could also be sporting spacers that you do not need, as is the case on Kubuntu 12.04.
Read the complete article at http://www.linuxbsdos.com/2012/07/04/how-to-custmize-kdes-window-titlebar-buttons/