Modules
There is a lot of modules available on Curie.
They give access to compilers, applications, etc
By default thereis no loaded modules in your profile.
Commands
List loaded modules
module listPurge all loaded modules
module purgeList available modules
module avail[able]Load a module
module load anymoduleCustom modules
You can have your own custom modules in your $HOME folder, to use them, just addd your folder in the $MODULEPATH var.