And this...
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;
;;; Following is a list of AutoCAD, Express Tools, and user-defined files in
;;; the order they are loaded when you first start the program. Go to AutoCAD
;;; Help and search for "support file loading" (including quotes) and the
;;; top result is "Order of support file loading" which nets the following:
;;; <File For:> <Use By:>
;;; acad2000.lsp AutoCAD
;;; acad.rx User
;;; acad.lsp User
;;; acad2000doc.lsp AutoCAD
;;; acetutil.fas Express Tools
;;; acaddoc.lsp User
;;; mymenu.mnc User
;;; mymenu.mnl User
;;; acad.mnc AutoCAD
;;; acad.mnl AutoCAD
;;; acetmain.mnc Express Tools
;;; acetmain.mnl Express Tools
;;; s::startup User
;;; Note: If the user-defined function S::STARTUP is included in the acad.lsp or
;;; acaddoc.lsp file or a MNL file, the function is called when you enter a new
;;; drawing or open an existing drawing. Thus, you can include a definition of
;;; S::STARTUP in the LISP startup file to perform any setup operations. For more
;;; information about the s::startup function, refer to the Customization Guide.
Gary