Variable: null-device
null-device is a variable defined in files.el.gz.
Value
"/dev/null"
Documentation
The system null device.
Probably introduced at or before Emacs version 28.1.
Source Code
;; Defined in /usr/src/emacs/lisp/files.el.gz
;; The system null device. (Should reference NULL_DEVICE from C.)
(defvar null-device (purecopy "/dev/null") "The system null device.")