“For general use, it is sufficient to configure KDE using the
options provided in System Settings and in individual application
settings. Nevertheless, to unlock the full power of KDE, you should
learn some of the system administration tools that it provides.
“Command Line Options
“Every KDE applications has its own unique command line options.
Additionally, each application has access to general KDE options
and general Qt options. To see only the application options, open a
terminal window (such as Konsole), and type the application name
followed by “–help”