触摸板一直容易误操作，故寻求解决办法，找了很久 ，终于解决，现记录如下：
禁用触摸板：
synclient TouchpadOff=1
启用触摸板:
synclient TouchpadOff=0
synclient 可以设置很多参数，查看如下:
[root@station90 ~]# synclient -l
Parameter settings:
LeftEdge = 1752
RightEdge = 5192
TopEdge = 1620
BottomEdge = 4236
FingerLow = 24
FingerHigh = 29
FingerPress = 255
MaxTapTime = 180
MaxTapMove = 221
MaxDoubleTapTime = 180
SingleTapTimeout = 180
ClickTime = 100
FastTaps = 0
EmulateMidButtonTime = 75
EmulateTwoFingerMinZ = 280
EmulateTwoFingerMinW = 7
VertScrollDelta = 100
HorizScrollDelta = 100
VertEdgeScroll = 1
HorizEdgeScroll = 0
CornerCoasting = 0
VertTwoFingerScroll = 0
HorizTwoFingerScroll = 0
MinSpeed = 0.4
MaxSpeed = 0.7
AccelFactor = 0.00995223
TrackstickSpeed = 40
EdgeMotionMinZ = 29
EdgeMotionMaxZ = 159
EdgeMotionMinSpeed = 1
EdgeMotionMaxSpeed = 401
EdgeMotionUseAlways = 0
UpDownScrolling = 1
LeftRightScrolling = 1
UpDownScrollRepeat = 1
LeftRightScrollRepeat = 1
ScrollButtonRepeat = 100
TouchpadOff = 1
GuestMouseOff = 0
LockedDrags = 0
LockedDragTimeout = 5000
RTCornerButton = 0
RBCornerButton = 0
LTCornerButton = 0
LBCornerButton = 0
TapButton1 = 0
TapButton2 = 0
TapButton3 = 0
ClickFinger1 = 1
ClickFinger2 = 1
ClickFinger3 = 1
CircularScrolling = 0
CircScrollDelta = 0.1
CircScrollTrigger = 0
CircularPad = 0
PalmDetect = 0
PalmMinWidth = 10
PalmMinZ = 199
CoastingSpeed = 0
PressureMotionMinZ = 29
PressureMotionMaxZ = 159
PressureMotionMinFactor = 1
PressureMotionMaxFactor = 1
GrabEventDevice = 1
TapAndDragGesture = 1
AreaLeftEdge = 0
AreaRightEdge = 0
AreaTopEdge = 0
AreaBottomEdge = 0
