High Quality Content by WIKIPEDIA articles! XScreenSaver is a collection of about two hundred free screensavers for Unix and Mac OS computers. It was created by Jamie Zawinski in 1992 and is still maintained by him. The free software and open source Unix-like operating systems running the X Window System (such as Linux and FreeBSD) use XScreenSaver almost exclusively. On those systems, there are two parts to XScreenSaver: the collection of screen savers; and the framework for blanking and locking the screen. In recent years, some of the Linux distributions have begun using the gnome-screensaver or kscreensaver screen-blanking frameworks by default instead of the framework included with XScreenSaver. They still depend on the XScreenSaver collection of screen savers, which is over 90% of the package.

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