title: in vim command line mode: how to kill the line from the current cursor position to the end
body: <p>the <code>&lt;c-k&gt;: kill-line</code> feature of bash, which means kill the line from the current cursor position to the end of the line. how to do this in <code>vim</code> command-line mode when editing the command?</p>
  
  <p>for example:<br>
  when typing <code>:echo 'hell|o world'</code> this command in <code>vim</code> <strong>command line mode</strong> and the cursor is in <code>|</code> position, how to kill the line to become <code>:echo 'hell</code>?</p>