set terminal postscript enhanced color solid

set output "leftAndRightPosition.ps"
set xlabel "Time, s"
set ylabel "Position, y [m]"
set grid
plot [0:] "./history/0/history.dat" using 1:2 title "Left wall" with lines, \
"./history/0/history.dat" using 1:3 title "Right wall" with lines

set output
set terminal x11