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How to Use Modules

How to Use Modules. The module package allows dynamic modification of a user’s programming environment via module files. The module command can be used to: Manage multiple versions of compilers, applications, tools and libraries

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How to Use Modules

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  1. How to Use Modules • The module package allows dynamic modification of a user’s programming environment via module files. • The module command can be used to: • Manage multiple versions of compilers, applications, tools and libraries • Manage software where complex changes to the environment are necessary • Manage software where name conflicts with other software would cause problems • The module package is available automatically for interactive and batch use on NCCS systems

  2. Some Useful Module Commands(see module man pages for more information)

  3. Reinitializing Modules • If you switch shell from your login shell during an “interactive” or “interactive batch” session, you need to reinitialize “module” before you can use it again. • If you specify a shell in your batch job that is different from your login shell, you need to reinitialize “module” before you can use it again from within the batch script. • To reinitialize “module”: • For csh type shells (csh, tcsh) source /usr/share/modules/init/shell-name(on discover) source /opt/modules/modules/init/shell-name(on palm) where shell-nameis eithercshortcsh. • For sh type shells (sh, bash, ksh) /usr/share/modules/init/shell-name(on discover) /opt/modules/modules/init/shell-name(on palm) where shell-nameis one ofsh,bash,orksh.

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