Software modules


Software modules allow users to load and unload specific versions of a program (e.g. gcc, spades, openmpi, etc.). The module commands (below) essentially just prepend a directory to your PATH variable.

Specify module repository

There are two main groups of modules on Charlie.

  • Bigelow: General purpose modules; maintained by Bigelow IT
  • SCGC: Available to use; maintained by SCGC

$ module use /mod/bigelow

Show available modules
$ module avail

--------------------- /mod/bigelow/ ---------------------
gcc/6.2.0 null python/3.0 smrt/2.3.0
metaBAT/0.32.4 openmpi/2.1.1 R/2.15.2 turbomole/7.1
Load a module

$ module load R

Show loaded modules
$ module list
Currently Loaded Modulefiles:
1) /R/2.15.2 2) /gcc/6.2.0
Unload a module

module unload R

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