To generate a list of GENESIS components type “list components” in the G-Shell. To get help for a component type “help <component name>”. The help option gives an example of how to use a component and a one sentence description of what the component does. GENESIS software components include, the Model Container which loads and provides internal storage for neuronal models and can be used to perform model analysis, an equation solver (Heccer), a library of experimental protocols (Experiment) and a simple scheduler in Perl (SSP) which coordinates and runs the GENESIS software components required to perform a simulation. We note that specific components recognize specific commands and tokens (see below).