Brock Palen and Jeff Squyres speak withR. K. Owen about Environment Modules a common tool in use at HPC sites for manipulating users environments.

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R. K. Owen physicist by training, but a software developer by vocation. Received his Ph.D. in theoretical atomic and molecular physics from the University of California - Berkeley. Worked at NASA/Ames for the Advanced Computational Facility and then the Numerical Aerodynamic Simulation program. Currently works at Lawrence Berkeley National Laboratory for the National Energy Research Scientific Computing center in Oakland, CA. Was introduced to Modules on a Cray C90, ported the 3.0beta release to Linux and has maintained the distribution since 1999.