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in windows there is a program called keyboard jedi that shows what keys are pressed on the keyboard. is there an equivalent for linux?

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migrated from stackoverflow.com Feb 21 '11 at 16:10

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8 Answers 8

 chris@retina:~$ xinput list
 ⎡ Virtual core pointer                     id=2    [master pointer  (3)]
 ⎜   ↳ Virtual core XTEST pointer               id=4    [slave  pointer  (2)]
 ⎜   ↳ bcm5974                                  id=13   [slave  pointer  (2)]
 ⎜   ↳ Logitech Unifying Device. Wireless PID:1028  id=9    [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)]
     ↳ Power Button                             id=7    [slave  keyboard (3)]
     ↳ Sleep Button                             id=8    [slave  keyboard (3)]
     ↳ FaceTime HD Camera (Built-in)            id=11   [slave  keyboard (3)]
     ↳ Apple Inc. Apple Internal Keyboard / Trackpad    id=12   [slave  keyboard (3)]
     ↳ daskeyboard                              id=10   [slave  keyboard (3)]
     ↳ daskeyboard                              id=14   [slave  keyboard (3)]
 chris@retina:~$ xinput test 14
 key release 36 
 key press   43 
 hkey release 43 
 key press   26 
 ekey release 26 
 key press   46 
 lkey release 46 
 key press   46 
 lkey release 46 
 key press   32 
 okey release 32 
 key press   37 
 key press   54 
 ^C
 chris@retina:~$ 
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You can also use evtest. In some situation better than xev as it shows keys even when key is already captured.

To install under ubuntu/mint sudo apt-get install evtest.

To run sudo evtest and pick device number.

Example output:

$ sudo evtest 
No device specified, trying to scan all of /dev/input/event*
Available devices:
/dev/input/event0:  Lid Switch
/dev/input/event1:  Power Button
/dev/input/event2:  Power Button
/dev/input/event3:  AT Translated Set 2 keyboard
/dev/input/event4:  ETPS/2 Elantech Touchpad
/dev/input/event5:  Logitech Logitech G930 Headset
/dev/input/event6:  Video Bus
/dev/input/event7:  HDA Intel HDMI HDMI/DP,pcm=8
/dev/input/event8:  HDA Intel HDMI HDMI/DP,pcm=7
/dev/input/event9:  HDA Intel HDMI HDMI/DP,pcm=3
/dev/input/event10: HDA Intel PCH Headphone
/dev/input/event11: HDA Intel PCH Mic
/dev/input/event12: WebCam SC-10HDP12B24N
/dev/input/event13: ELAN Touchscreen
Select the device event number [0-13]: 5
Input driver version is 1.0.1
Input device ID: bus 0x3 vendor 0x46d product 0xa1f version 0x101
Input device name: "Logitech Logitech G930 Headset"
Supported events:
  Event type 0 (EV_SYN)
  Event type 1 (EV_KEY)
    Event code 114 (KEY_VOLUMEDOWN)
    Event code 115 (KEY_VOLUMEUP)
    Event code 163 (KEY_NEXTSONG)
    Event code 164 (KEY_PLAYPAUSE)
    Event code 165 (KEY_PREVIOUSSONG)
    Event code 256 (BTN_0)
    Event code 257 (BTN_1)
    Event code 258 (BTN_2)
    Event code 259 (BTN_3)
    Event code 260 (BTN_4)
    Event code 261 (BTN_5)
    Event code 262 (BTN_6)
    Event code 263 (BTN_7)
    Event code 264 (BTN_8)
    Event code 265 (BTN_9)
  Event type 4 (EV_MSC)
    Event code 4 (MSC_SCAN)
Properties:
Testing ... (interrupt to exit)
Event: time 1412585327.807585, type 4 (EV_MSC), code 4 (MSC_SCAN), value c00b5
Event: time 1412585327.807585, type 1 (EV_KEY), code 163 (KEY_NEXTSONG), value 1
Event: time 1412585327.807585, -------------- SYN_REPORT ------------
Event: time 1412585327.927557, type 4 (EV_MSC), code 4 (MSC_SCAN), value c00b5
Event: time 1412585327.927557, type 1 (EV_KEY), code 163 (KEY_NEXTSONG), value 0
Event: time 1412585327.927557, -------------- SYN_REPORT ------------
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Also screenkey. Which is based on mon-key.

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If you are looking for something that graphically shows you what key is pressed currently (perhaps for the corner of a screencast), key-mon might be the ticket.

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Others have mentioned xev, which is good when you're running X11. When you're at the console, however, showkey is what you want.

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Welcome to the ranks of the Stack Athletes. –  Dennis Williamson Mar 2 '11 at 10:55

If you're at a shell prompt, you can press Ctrl-v then the key of interest to see what the output is. For example, on my system, pressing Ctrl-v then Right Arrow shows ^[[C which means Escape, Left Bracket, C.

As others have mentioned, xev is the way to go for X11.

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You'd be wanting xev.

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There is xev program for graphic mode. Man of xev is here http://linux.die.net/man/1/xev On ubuntu/debian it is packed into x11-utils package.

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