#! /usr/local/bin/wish -f label .line1 -text "Press F to speed up." label .line2 -text "Press S to slow down." label .line3 -text "Press P to pause." label .line4 -text "Press G to resume." label .line5 -text "Press ESC to exit." label .line6 -text "Press X to stop the change in the x parameter." label .line7 -text "Press Y to stop the change in the y parameter." pack .line1 .line2 .line3 .line6 .line7 .line4 .line5