"Everyone can make an omelet with eggs. The trick is to make one with none." (Fortune Cookies)
Nearly everyone can use KDE; this is why the developers made it. There are no cryptic switches with which to cope, and few configuration files you need edit in ASCII style. However, there are some ways you can do your work more elegantly, saving you time for the truly important things, like tetris.
Shows the KDE session manager, from which you can switch to a specific application or log out of KDE.
Cycle through the windows
Cycle through your desktops
Command line
Window Menu
Close the current window
Switch to a specific desktop
Window destroyer (every window you click on will be destroyed)
This exits KDE (without saving!) Use this as a last resort
Cycles to the next screen resolution
Cycles to the previous screen resolution