set term postscript eps 22
set size 1.1,0.8
set output "sim_devi.eps"
set xlabel "Cache Size / s"
set ylabel "Standard Deviation of Disk Reads\nper Frame Time"
plot "fig6.1.data" title "LRU" with lines, "fig6.2.data" title "stream" with lines, "fig6.3.data" title "modulated stream" with lines 6
show output