xflip, meltdown - astonish your friends with interesting X effects
xflip [-planes] [-vert] [-oblic] [-fast | -random] [-times number]
meltdown [-planes] [-display displayname] [-delay x] [-wait n | -wait
This manual page documents briefly the xflip, and meltdown commands.
This manual page was written for the Debian GNU/Linux distribution (but
may be used by others), because the original program does not have a
The programs play with the X display, producing some interesting
effects. One traditional use of these commands is to have them run and
affect someone else's X display, as a practical joke.
The X display to operate on.
Operate on a singleplane at a time.
-vert Flip the screen vertically.
-oblic Flip the screen vertically and horizontally at the same time.
Flip small random peices of the screen instead of the while
Specifies the number of peices of the screen to flip when
-random is used. Default is 300.
Meltdown may run too fast on fast computers to be fully
appreciated; this can be used to slow it down. If specified,
every x times the display is updated, a 1 microsecond delay will
be inserted. The default is no delay at all. Reasonable values
for x are in the 20 to 200 range.
Makes meltdown wait for n seconds after the screen is totally
black. If you pass 0 to -wait, it will wait until you press a
key or mouse button.
This manual page was written by Joey Hess, for the Debian GNU/Linux