What is Gnuplot?
Gnuplot is a portable command-line driven graphing utility for data analysis. Graphs and plots can be generated from various data sources, and show on a canvas or stored into graphics files.
License Terms and Usage Conditions
On the LRZ clusters, use the Environment Modules to find and set the environment.
Official webpage: http://www.gnuplot.info/
with a User Guide: http://www.gnuplot.info/documentation.html