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Environment Variable	Purpose	Quota	On Login Nodes	On Compute Nodes	Backup	Snapshots
HOME	Home directory. Permanent small data. Per user account.	20 GB inspect with: `pc2status` or `df -h $HOME`	read-write	read-write	yes	yes
PC2DATA	Permanent project data (e.g. program binaries, final results). Per project, full path `$PC2DATA/<project-acronym>`	Requested at project application inspect with: `pc2status` or `df -h $PC2DATA/<project_acronym>`	read-write	read-only	yes	yes
PC2PFS	Parallel file system for computations. Temporary working data (but does not get erased periodically). Per project, full path `$PC2PFS/<project-acronym>`.	Requested at project application inspect with: `pc2status` or `lfs quota -hg <project_acronym> $PC2PFS`	read-write	read-write	no	no
PC2PFSN1	PFS of Noctua 1 available at Noctua 2	same as PC2PFS	read-write	read-only	no	no
PC2PFSN2	PFS of Noctua 2 available at Noctua 1	same as PC2PFS	read-write	read-only	no	no
PC2DEPOT	Long-term backup of research data for members of Paderborn University. This filesystem is hosted and maintained by [IMT ZIM].	needs to be requested	read-write	not available	yes	no

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