NAME oneko

NAME oneko

The program oneko creates a cute cat or dog chasing around your mouse cursor.


oneko [-help] [-neko] [-tora] [-dog] [-time n] [-speed n] [-idle n] [-rv] [-noshape] [-fg s] [-bg s]

tora [-help] [-neko] [-tora] [-dog] [-time n] [-speed n] [-idle n] [-rv] [-noshape] [-fg s] [-bg s]

dog [-help] [-neko] [-tora] [-dog] [-time n] [-speed n] [-idle n] [-rv] [-noshape] [-fg s] [-bg s]


oneko changes your cursor into a mouse and creates a little cute cat and the cat starts chasing around your mouse cursor. If the cat catches the ‘‘mouse’’, it will start sleeping. Alternatively, changes your mouse cursor into a bone, which is chased around by a dog.



Prints help message on usage.


Display a cat (default).


Make cat into "tora-neko". "Tora-neko" means cat wite tiger-like stripe. I don’t know how to say it in English.


Display a dog instead of the default cat.

−time interval

Sets interval timer which determines intervals for the animation. The default value is 125000 and unit is micro-second. Smaller value makes the cat or dog run faster.

−speed distance

Specify the distance where cat jumps at one move in dot resolution. Default is 16.

−idle speed

Specify the threshold of the speed which ‘‘mouse’’ running away will wake cat up.


Reverse background color and foreground color.


Don’t use SHAPE extension.

−fg color

Foreground color.

−bg color

Background color.

Application name is "neko" (or "tora") and class name is "Oneko".


Set ‘‘True’’ if you want "tora-neko".


Sets interval timer in micro-second.


Sets distance to jump in pixel.


Sets speed threshold to wake cat up when ‘‘mouse’’ running away.


Set ‘‘True’’ if you don’t want to use SHAPE extension.


Set ‘‘True’’ if you want to switch foreground and background color.


Foreground color.


Background color.


While this program uses XGetDefault, be sure to use "neko.resouce" form. If you run this program as "tora", by hard of soft link, the -tora option is enabled by default.


Original xneko is written by Masayuki Koba and modified by Tatsuya Kato ( Send bug fixes and enhancements to


Send questions or problems to


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