emacs demo.ssc &
Ctrl-x 2 (i.e., control x followed by 2)
Esc-x Swhich starts S-Plus; hit Enter if it asks a question (in the command line at the bottom)
motif()to open a graphics window -- all graphs will be plotted there with the display cleared and refreshed between plots
q()and quit emacs using "Exit" on the pull-down "File" menu