DOKK / manpages / debian 12 / xjokes / blackhole.6.en
blackhole(6) Games Manual blackhole(6)

blackhole, mori1, mori2, yasiti - draws funny things on an XDisplay

blackhole [-display <displayname>]

produces an animated zoom-out effect on a display. The display will be restored afterwards.
tiles a display with the face of a girl winking at you. The display will be restored afterwards.
displays the face of a girl winking at you. The display will be restored afterwards.
displays a rotating black object at the center of the screen. The display will be restored afterwards.

With this argument you can determine on which display the programs should draw. By default, the display specified by the DISPLAY environment variable is used.

X(7)

This manual page was written by Timo Schneider <timo.schneider@s2004.tu-chemnitz.de>, for the Debian project (but may be used by others).