# missing: set key below box
xrange 1:8
legend-inside cl
no-xlabel
no-ylabel
title "Convex     November 1-7 1989"
draw-text 5,25 "(Weekend)" 
plot 'using.dat'@3:4 /legend "Logged in" /path-style impulses
plot 'using.dat'@3:5 /legend "Load average" /line-style no /marker Times
plot 'using.dat'@3:6 /legend "\\%CPU used"