The systems at HPC2N predominantly run various versions of Linux. If you have no experience with that, there are several good online sources that can be used to familiarize yourself with the basic commands.
The default shell at HPC2N is
Your home directory at HPC2N is placed on an (Andrew File System) AFS. This file system is backed up regularly. AFS is a distributed networked file system, which was developed for security and scalability.
Most differences between AFS and traditional networked systems (like NFS) are transparent. Two important differences between AFS and NFS are:
Running the command 'env' give you a list of the paths and environment variables that are currently set in your shell. We have a page about environment variables at HPC2N - and a page about the SNIC environment variables.