This is really an issue for the KDE developers rather than for you,
but under the version of KDE I got from kde.org for RedHat 5.2, there
was an option to allow other winders to be raised above the KDE panel.
That option seems to be missing from the version of KDE shipped with
RedHat 6.1, so there's no way to prevent the panel staying on top. I find
that frustrating; often I want a window to fill the screen completely
(e.g. for a presentation or for doing graphics editing), and with the
current version of KDE I can't do that. (I'm probably just going to figure
out how to stop the panel from starting when I log in, and not use it.)
Right-click on a blank space in the panel, and click configure.
Select the Options tab and turn on the "Auto Hide Panel" and "Auto Hide Taskbar"
`Auto Hide Panel' isn't the same thing. That shrinks the panel to a few pixels
at the bottom of the screen, but that shrunken panel still still stays on top of
any other windows, which means I can't make a window occupy the full size of
the screen, and I can't pass mouse-clicks to applications at the bottom of the
(I understand that this is a matter of personal preference, but it's a bit
frustrating that the previous version worked the way I wanted it to and this