xinput --list
查找触摸板的id：
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ USB Optical Mouse id=10 [slave pointer (2)]
⎜ ↳ PS/2 Synaptics TouchPad id=13 [slave pointer (2)]
⎜ ↳ Macintosh mouse button emulation id=14 [slave pointer (2)]
⎣ Virtual core keyboard id=3 [master keyboard (2)]
↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)]
↳ Power Button id=6 [slave keyboard (3)]
↳ Video Bus id=7 [slave keyboard (3)]
↳ Video Bus id=8 [slave keyboard (3)]
↳ Power Button id=9 [slave keyboard (3)]
↳ HP Webcam-101 id=11 [slave keyboard (3)]
↳ AT Translated Set 2 keyboard id=12 [slave keyboard (3)]
触摸板的ID为13，
禁用：
代码:
xinput set-prop 13 "Device Enabled" 0
启用：
代码:
xinput set-prop 13 "Device Enabled" 1