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- Return to the work dir.
No Format cd $sim_work
- Create a Geant4 work dir and go into it.
No Format mkdir geant4 cd geant4
- Download the Geant4 tarball.
No Format wget http://geant4.cern.ch/geant4/source/source/geant4.7.0.p01.tar.gz
- Unzip it.
No Format tar zxvf geant4.7.0.p01.tar.gz
...