All the servers used in the cluster are using GNU/Linux, and more specifically Rocky 8.
Having at least basic knowledge of Linux, and ideally with the command line (terminal), is a pre-requisite for using our clusters. You are also expected to be able to write a simple Bash/Shell script, as this is needed to create sbatch scripts.
Explaining how to use Linux is out of the scope of this documentation, but you can find plenty of tutorials and explanation on the internet.
If you never used Linux, you can start with those links to get some Linux and Bash tutorials :