Variable: viper-ms-style-os-p
viper-ms-style-os-p is a customizable variable defined in
viper-init.el.gz.
Value
nil
Documentation
Non-nil if Emacs is running under an MS-style OS: MS-DOS, or MS-Windows.
Source Code
;; Defined in /usr/src/emacs/lisp/emulation/viper-init.el.gz
(defcustom viper-ms-style-os-p
(not (not (memq system-type '(ms-dos windows-nt))))
"Non-nil if Emacs is running under an MS-style OS: MS-DOS, or MS-Windows."
:type 'boolean
:tag "Is it Microsoft-made OS?"
:group 'viper-misc)