xkill
Utility to kill a client by its X resource
xkill is a utility for forcing the X server to close connections to clients. This program is very dangerous, but is useful for aborting programs that have displayed undesired windows on a user's screen.
There is no official package available for openSUSE Leap 16.0배포판
openSUSE Tumbleweed
openSUSE Leap 15.6
SLFO 1.2
openSUSE Backports for SLE 15 SP4
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The following distributions are not officially supported. Use these packages at your own risk.