ClearType is MicrosoftCorporation's marketing term for their implementation of SubPixelAntiAliasing in MicrosoftWindows.
Useful, if not Linux-oriented information: you can activate ClearType support on your copy of MicrosoftWindows XP by going to Start menu -> Control Panel -> Display, clicking on the Apperance tab, and clicking on Effects.... Check the box next to Use the following method to smooth the edges of screen fonts and use the drop-down menu to select ClearType.
Looks best on LCD screens.
One page links to ClearType:
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