Grace is a WYSIWYG 2D plotting tool.
To see what versions of Grace are available type
module avail grace
To see what other modules are needed, what commands are available and how to get additional help type
module help grace
To use Grace, include a command like this in your batch script or interactive session to load the grace module:
module load grace
Be sure you also load any other modules needed, as listed by the
module help grace command.