在Ubuntu上禁用触摸屏

我试图在Dell inspiron 15 7000上禁用触摸屏。当我运行xinput --list时,会得到此列表。

⎡ Virtual core pointer                      id=2    [master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer                id=4    [slave  pointer  (2)]
⎜   ↳ 2.4G Mouse                                id=10   [slave  pointer  (2)]
⎜   ↳ DELL07EC:00 06CB:7E92 Touchpad            id=13   [slave  pointer  (2)]
⎜   ↳ ELAN2097:00 04F3:2504                     id=14   [slave  pointer  (2)]
⎜   ↳ SynPS/2 Synaptics TouchPad                id=20   [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)]
    ↳ Power Button                              id=8    [slave  keyboard (3)]
    ↳ Sleep Button                              id=9    [slave  keyboard (3)]
    ↳ Integrated_Webcam_HD: Integrate           id=11   [slave  keyboard (3)]
    ↳ Integrated_Webcam_HD: Integrate           id=12   [slave  keyboard (3)]
    ↳ ELAN2097:00 04F3:2504 Pen                 id=15   [slave  keyboard (3)]
    ↳ Intel Virtual Button driver               id=16   [slave  keyboard (3)]
    ↳ Intel HID events                          id=17   [slave  keyboard (3)]
    ↳ Dell WMI hotkeys                          id=18   [slave  keyboard (3)]
    ↳ AT Translated Set 2 keyboard  

请问其中哪一个(ID)用于触摸屏?

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