{"id":1703,"date":"2013-09-23T11:09:35","date_gmt":"2013-09-23T11:09:35","guid":{"rendered":"http:\/\/ubuntuhandbook.org\/?p=1703"},"modified":"2013-09-23T11:13:07","modified_gmt":"2013-09-23T11:13:07","slug":"easily-kill-frozen-locked-up-app-window-ubuntu","status":"publish","type":"post","link":"https:\/\/ubuntuhandbook.org\/index.php\/2013\/09\/easily-kill-frozen-locked-up-app-window-ubuntu\/","title":{"rendered":"How to easily kill a frozen \/ locked-up app or window in Ubuntu"},"content":{"rendered":"<p>This tutorial shows you how to easily kill \/ force quit an application or window that freezes or stops responding using xkill &#038; shortcut key.<\/p>\n<p>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&#8217;s screen. It works on Ubuntu, Linux Mint, Elementary OS, and other Linux systems.<\/p>\n<p><b>You can run Xkill from terminal, Alt+F2 run command box or even via a keyboard shortcut.<\/b> When it runs, your cursor becomes a cross (&#8216;X&#8217;). Click on any window will kill it instantly.<\/p>\n<p><a href=\"https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2013\/09\/Kill-frozen-window.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2013\/09\/Kill-frozen-window.jpg\" alt=\"Kill frozen window\" width=\"550\" height=\"179\" class=\"aligncenter size-full wp-image-1704\" srcset=\"https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2013\/09\/Kill-frozen-window.jpg 550w, https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2013\/09\/Kill-frozen-window-300x97.jpg 300w\" sizes=\"auto, (max-width: 550px) 100vw, 550px\" \/><\/a><\/p>\n<p><b>Warning:<\/b> Don&#8217;t click on Desktop and Panel when running xkill, it will also kill them and break your desktop and you need to restart to restore.<\/p>\n<p>To create a shortcut key for xkill, go to <i>System Settings -> Keyboard -> Shortcut -> Custom shortcuts<\/i>. Click add to create the shortcut and give a key combination.<\/p>\n<p><a href=\"https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2013\/09\/add-xkill-shortcut.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2013\/09\/add-xkill-shortcut.jpg\" alt=\"Add xkill shortcut\" width=\"550\" height=\"242\" class=\"aligncenter size-full wp-image-1705\" srcset=\"https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2013\/09\/add-xkill-shortcut.jpg 550w, https:\/\/ubuntuhandbook.org\/wp-content\/uploads\/2013\/09\/add-xkill-shortcut-300x132.jpg 300w\" sizes=\"auto, (max-width: 550px) 100vw, 550px\" \/><\/a><\/p>\n<p>After that, press the key combination and then click on the window you want to kill.<\/p>\n<p>Enjoy!<\/p>","protected":false},"excerpt":{"rendered":"<p>This tutorial shows you how to easily kill \/ force quit an application or window that freezes or stops responding using xkill &#038; shortcut key. 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 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[629,628],"class_list":["post-1703","post","type-post","status-publish","format-standard","hentry","category-howtos","tag-kill-frozen-window","tag-xkill"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/posts\/1703","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/comments?post=1703"}],"version-history":[{"count":0,"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/posts\/1703\/revisions"}],"wp:attachment":[{"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/media?parent=1703"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/categories?post=1703"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ubuntuhandbook.org\/index.php\/wp-json\/wp\/v2\/tags?post=1703"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}