Environment modules
-------------------
Environment Modules is a tool that lets users easily switch between different versions of applications by managing the shell environment.

Basic usage
^^^^^^^^^^^

* :code:`module avail` will list all available modules 
* :code:`module spider <string>` will seach for all packages containing <string>
* :code:`module load <name>` will load the <name> module. e.g.: :code:`module load apptainer/gubbins`.

  * If you don't specify a version, the highest numeric version number is automatically selected. e.g. :code:`module load r` will load the latest available R version
  * Alternatively you can `module load` an excplicit version, .e.g :code:`module load r/4.4.3`

* :code:`module list` will show which modules/versions are loaded