SLURM-Quick-Reference-Guide.md

+There are not many changes to Slurm from Centos 7.9 to RHEL 8.6. The documentation of Slurm can be found here:
+
+[IT Center help Slurm](https://help.itc.rwth-aachen.de/service/rhr4fjjutttf/article/13ace46cfbb84e92a64c1361e0e4c104/)
+
+
+The only difference is, that if one wants to submit a job to a RHEL 8.6 node, one will for the moment have to additionally set
+
+`#SBATCH --constraint=RH8`
+
+to your jobscript.
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