LAS\SAVE Name
SAVE creates a procedure file of name "Name.CLASS", containing all the
current parameters of the program. This file may be executed at any
time using the @ command: just type "@ name" after the LAS> prompt, or
pass "@ name" as a parameter when invoking CLASS (by typing
"CLASS @ name"). This file is composed of standard CLASS commands, and
may be edited with any text editor.