Ctrl+A

v Readline has no binding for Ctrl+A.
  Not bound in the current Readline keymap; Readline rings the bell and inserts
  "A".

Route
  1  Remapper      v  none detected
  2  Compositor    -  not inspected
  3  Terminal      -  not inspected
  4  TTY driver    -  not inspected
  5  Input method  -  not inspected
  6  Multiplexer   -  not inspected
  7  Readline      v  not bound in the current Readline keymap; Readline rings
                      the bell and inserts "A"

More  whykey ctrl+a -v
