1XEV(1)                      General Commands Manual                     XEV(1)
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NAME

6       xev - print contents of X events
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SYNOPSIS

9       xev  [-display displayname] [-geometry geom] [-bw pixels] [-bs {NotUse‐
10       ful,WhenMapped,Always}] [-id windowid] [-s] [-name string] [-rv]
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DESCRIPTION

13       Xev creates a window and then asks the X server to send it events when‐
14       ever  anything  happens to the window (such as it being moved, resized,
15       typed in, clicked in, etc.).  You can also attach  it  to  an  existing
16       window.   It  is  useful  for seeing what causes events to occur and to
17       display the information that they contain; it is essentially  a  debug‐
18       ging and development tool, and should not be needed in normal usage.
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OPTIONS

21       -display display
22               This option specifies the X server to contact.
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24       -geometry geom
25               This  option  specifies the size and/or location of the window,
26               if a window is to be created.
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28       -bw pixels
29               This option specifies the border width for the window.
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31       -bs {NotUseful,WhenMapped,Always}
32               This option specifies what kind of backing store  to  give  the
33               window.   The default is NotUseful. Backing store refers to the
34               the pixels saved off-screen when the  X  server  maintains  the
35               contents of a window; NotUseful means that the xev process will
36               redraw its contents itself, as necessary.
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38       -id windowid
39               This option specifies that the window with the given id  should
40               be monitored, instead of creating a new window.
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42       -s      This option specifies that save-unders should be enabled on the
43               window. Save unders are similar  to  backing  store,  but  they
44               refer  rather  to the saving of pixels off-screen when the cur‐
45               rent window obscures other windows. Save unders are only  advi‐
46               sory,  and  are  normally set for popup dialogs and other tran‐
47               sient windows.
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49       -name string
50               This option specifies the name to assign to the created window.
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52       -rv     This option specifies that the  window  should  be  in  reverse
53               video.
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SEE ALSO

56       X(7),  xwininfo(1),  xdpyinfo(1),  Xlib  Programmers Manual, X Protocol
57       Specification
58       See X(7) for a full statement of rights and permissions.
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AUTHOR

61       Jim Fulton, MIT X Consortium
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65X Version 11                       xev 1.0.2                            XEV(1)