Circos is a visualization package that displays data ina circular layout. It commonly used to visualize genomics data.
To see what versions of Circos are available type
module avail circos
To see what other modules are needed, what commands are available and how to get additional help type
module help circos
To use Circos, include a command like this in your batch script or interactive session to load the circos module:
module load circos
Be sure you also load any other modules needed, as listed by the
module help circos command.