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When I hit the Volume Up multimedia key, I receive the following output from xev.

KeyRelease event, serial 38, synthetic NO, window 0x4200001,
    root 0x91, subw 0x0, time 100844850, (1037,434), root:(1102,486),
    state 0x10, keycode 123 (keysym 0x1008ff13, XF86AudioRaiseVolume), same_screen YES,
    XLookupString gives 0 bytes: 
    XFilterEvent returns: False

Where is the command XF86AudioRaiseVolume stored? How can I run it, say, through the terminal?

  • What makes you think it is a command? I don't know, but I would assume it's a constant (ie, an integer) passed on to the event handler. I'd guess you would need a way to trigger the event handler with those parameters. – Marty Fried Sep 14 '14 at 17:46
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You can find the definition of all XF86 keys here: http://cgit.freedesktop.org/xorg/proto/x11proto/tree/XF86keysym.h (or installed on your system in /usr/include/X11/XF86keysym.h, if you installed x11proto-core-dev)

To run it from the terminal, just install xdotool:

sudo apt-get install xdotool

and run:

xdotool key XF86AudioRaiseVolume
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