set multiplot
set yrange [-0.2:1.2]
set size 1.0,0.1
set origin 0,0
plot "/tmp/wave.txt" using 0:1 with steps
set origin 0,0.1
plot "/tmp/wave.txt" using 0:2 with steps
set origin 0,0.2
plot "/tmp/wave.txt" using 0:3 with steps
set origin 0,0.3
plot "/tmp/wave.txt" using 0:4 with steps
set origin 0,0.4
plot "/tmp/wave.txt" using 0:5 with steps
set origin 0,0.5
plot "/tmp/wave.txt" using 0:6 with steps
set origin 0,0.6
plot "/tmp/wave.txt" using 0:7 with steps
set origin 0,0.7
plot "/tmp/wave.txt" using 0:8 with steps