Stan —
We don't supply an ACAD.LSP file with the current release of
AutoCAD. The document you refer to is implying that AutoCAD will
automatically load and evaluate any expressions found in ACAD.LSP should
you want to create a file of this name yourself.
This is a very popular practice. Core functions are made available
during every Drawing Editor session, and the load is transparent to the
operator.
— Brad
..
Stan, ACAD.LSP doesn't exist unless you create a file with that name. You
would use this file to store any commonly-used LISP routines that you want to
be loaded automatically every time you enter the drawing editor. =SM=