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”
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There is no doubt that Windows 7 is a much better operating system than Windows XP and Vista, but one thing never seems to change: You have to restart your computer every time it performs an update. Perhaps I am just too used to the way that Linux system can update itself without restarting, and also that I have too many important works opened on my Windows desktop that I can’t afford to restart the computer most of the time. For those who are facing such problems as well, here are the fixes to prevent your Windows from auto-restarting after an update.
Mac OS X is a wonderful operating system with one of the best and easiest to use graphical interface among mainstream operating systems. It is amazing to see how much thought the designers of the OS have put into each element of the interface striving all the while to make it easier for the user to use the computer without bringing in any complexity, and retaining the ability to configure the computer as the user wishes.