Variable: kill-whole-line
kill-whole-line is a customizable variable defined in simple.el.gz.
Value
nil
Documentation
If non-nil, kill-line with no arg at start of line kills the whole line.
This variable also affects kill-visual-line in the same way as
it does kill-line.
Probably introduced at or before Emacs version 22.1.
Key Bindings
Source Code
;; Defined in /usr/src/emacs/lisp/simple.el.gz
;; kill-line and its subroutines.
(defcustom kill-whole-line nil
"If non-nil, `kill-line' with no arg at start of line kills the whole line.
This variable also affects `kill-visual-line' in the same way as
it does `kill-line'."
:type 'boolean
:group 'killing)