# Introduction BlueLight, formerly called OS.js Linux, is a lightweight web-based Linux distro powered by OS.js. It uses the power of Electron to run a cloud based operating system, OS.js, to provide the user with a more web-based experience. BlueLight is open source making it possible for developers to work together to evolve the system. --- # 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://manual.bluelightos.js.org/bluelight/master.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.