m
  this, type the command <code>stty -a</code> and check the output.
  If the output contains the text <code>kill = ^U</code>, then
  typing <code>C-u</code> anytime in the terminal would delete the
  current line of input.  This would happen regardless of what program
  is running in the terminal.  For example, programs
  like <code>cat</code>, <code>sbcl</code>, etc. do not support key
  sequences like <code>C-a</code>, <code>C-k</code>, <code>C-u</code>,
  etc. the way Bash or Zsh does.  Despite this li