# 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. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://george-jen.gitbook.io/data-science-and-apache-spark/basic-prerequisite-skills.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.