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Note:  It is possible to have two or more versions of the same module loaded, but this cause problems and should be avoided.  The reason for this is often that a major version change in software can result in significantly different syntax, so software developers maintain multiple, independent streams of their software.  All aliases defined above can be considered examples of this.

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Listing available software and versions

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module avail

Information about a piece of software (example)

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module help grass

Listing environment modules you have loaded.

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module list

Unloading all modules

There will be occasions where is easier to make a fresh start, in which case you simply run the command

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module purge



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Loading a specific software version (example)

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module load gcc/6

Loading the default version of a piece of software (example)

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module load java

 NOTE:  The default software version will generally be the safest (e.g., version distributed by RedHat).

An example of a command to switch to another version of the same software is:

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module switch java/1.6.0-openjdk

Unloading a module (example)

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module unload java

In some cases, you may want/need to add the version.


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Information specific to JCU HPC configuration

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