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Comment: change paths from 48r1.1 to 48r1

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On the ECMWF hpc2020 our model has been previously installed to $OIFS_HOME which is in $HOME/openifs-48r1. 1. For the experiment we extract the ab2a package to to $OIFS_EXPT which is in a different location on the file system. The experiment directory shall therefore be $OIFS_EXPT/ab2a/2016092500. 

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    • It is important to change "/path/to/your/config/oifs-config.edit_me.sh" to the actual path for the oifs-config.edit_me.sh, e.g., "$HOME/openifs-48r1.1/oifs-config.edit_me.sh"
    • The default resources requested in run.ecmwf-hpc2020.job are  8 nodes on the ECMWF hpc2020 machine, with a total of 256 MPI tasks and 4 OpenMP threads. This can be changed as required.
    • For information, the LAUNCH command for batch job submission is set to "srun" without any further options, because all required parallel environment settings are provided through the SLURM script headers.

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