modules: modules (dynamic modification of a user's environment) modules: modules: Each modulefile contains the information needed to configure the modules: shell for an application. Typically modulefiles instruct the module modules: command to alter or set shell environment variables such as PATH, modules: MANPATH, etc. Modules are useful in managing different versions of modules: applications. Modules can also be bundled into metamodules that will modules: load an entire suite of different applications. modules: modules: modules: http://modules.sourceforge.net/