       The killed text is saved on the kill-ring.</code>
</pre>
<p>
  Similarly, for Zsh, type <code>man zshzle</code> and then
  type <code>/kill-whole-line</code>.  We find this:
</p>
<pre>
<code>kill-whole-line (^U) (unbound) (unbound)
       Kill the current line.</code>
</pre>
<p>
  By the way, Emacs-style key sequence like <code>C-a C-k</code> works
  too.
</p>
<p>
  Furthermore, it is quite likely that <code>C-u</code> is mapped to
  delete the current line of input in the terminal itself.  To confir