MirBSD manpage: xkill(1)

XKILL(1)            UNIX Programmer's Manual             XKILL(1)


     xkill - kill a client by its X resource


     xkill [-display displayname] [-id resource] [-button number]
     [-frame] [-all]


     Xkill is a utility for forcing the X server to close connec-
     tions to clients.  This program is very dangerous, but is
     useful for aborting programs that have displayed undesired
     windows on a user's screen.  If no resource identifier is
     given with -id, xkill will display a special cursor as a
     prompt for the user to select a window to be killed.  If a
     pointer button is pressed over a non-root window, the server
     will close its connection to the client that created the


     -display displayname
             This option specifies the name of the X server to

     -id resource
             This option specifies the X identifier for the
             resource whose creator is to be aborted.  If no
             resource is specified, xkill will display a special
             cursor with which you should select a window to be

     -button number
             This option specifies the number of pointer button
             that should be used in selecting a window to kill.
             If the word "any" is specified, any button on the
             pointer may be used.  By default, the first button
             in the pointer map (which is usually the leftmost
             button) is used.

     -all    This option indicates that all clients with top-
             level windows on the screen should be killed.  Xkill
             will ask you to select the root window with each of
             the currently defined buttons to give you several
             chances to abort. Use of this option is highly

     -frame  This option indicates that xkill should ignore the
             standard conventions for finding top-level client
             windows (which are typically nested inside a window
             manager window), and simply believe that you want to
             kill direct children of the root.

XFree86                   Version 4.5.0                         1

XKILL(1)            UNIX Programmer's Manual             XKILL(1)


     This command does not provide any warranty that the applica-
     tion whose connection to the X server is closed will abort
     nicely, or even abort at all. All this command does is to
     close the connection to the X server. Many existing applica-
     tions do indeed abort when their connection to the X server
     is closed, but some can choose to continue.


     Button  Specifies a specific pointer button number or the
             word "any" to use when selecting windows.


     X(7), xwininfo(1), XKillClient and XGetPointerMapping in the
     Xlib Programmers Manual, KillClient in the X Protocol


     Jim Fulton, MIT X Consortium
     Dana Chee, Bellcore

XFree86                   Version 4.5.0                         2

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