> For the complete documentation index, see [llms.txt](https://george-jen.gitbook.io/data-science-and-apache-spark/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://george-jen.gitbook.io/data-science-and-apache-spark/basic-prerequisite-skills.md).

# Basic Prerequisite Skills

Knowledge of basic Unix (such as MacOS)/Linux command line commands, including how to use vi editor are needed.  Tutorials of Linux commands and vi editor are widely available online,  simply search them using your favorable search engine, and practice on a Linux such as VM or a Mac machine.