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CRAY XE6 Environment: Difference between revisions
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Revision as of 11:35, 13 December 2010
HWW systems uses environment modules, a package for managing user environments. Software such as compilers, libraries, tools and some widely used application codes are available to users via modules. Thus, in order to use a particular version of a particular piece of software you must first load its module. On log-in to the system a default collection of modules are available.
- You can inspect which modules you have loaded currently by the command "module list".
- In order to inspect which modules are available to use, you can issue the command "module avail".
- If you want to swap one currently loaded module for another that is not, "module swap PrgEnv-pgi PrgEnv-gnu" for example swaps the currently loaded CRAY PGI Programming version PrgEnv-pgi for CRAY own programming version PrgEnv-cray.
If you want to load a module afresh (and there is no need to swap out a currently loaded module) use e.g. "module load castep". For more details on using modules see the Module commands or Using Modules.