gnuplot: tips

gnuplot;gt plot "plot_dih.dat"

set data style lines linespoints, impulse, boxes
replot

set xrange [min to max]
set yrange [min to max]
set autoscale

plot "datafile" u x_row:y_row title "title"
plot "dat1" u x1:y1 title "t1", "dat1" u x1:y1 title "t1"

set terminal postscript
set terminal postscript color solid "Helvetica" 10
set output 'dih.ps'
replot