bash-2.05$ xsetpointer
usage : xsetpointer (-l | <device name>)
bash-2.05$ xsetpointer -l
"Mouse0" [XPointer]
"Keyboard0" [XKeyboard]
bash-2.05$ xsetpointer XPointer
Extended device XPointer not found
bash-2.05$ xsetpointer Mouse0
Extended device Mouse0 not found