You will be expected to have a background in the following topics.
Basic knowledge in mathematical analysis and linear algebra is required.
The course assumes you have a basic knowledge of programming in a language like Fortran, C or C++. You should feel familiar enough in one of these languages to write and execute programs written in them. You should also have a basic knowledge of UNIX/Linux.
Refresh your skills if needed
It is recommended that you look at these UNIX tutorials and study them if you need to refresh your UNIX/Linux skills. The material in them gives an overview of what you are expected to know before attending this course.
Alternately you can review this introduction to basic to Linux for new HPC users .