# About - [What is Fluent Bit?](https://docs.fluentbit.io/manual/4.0/about/what-is-fluent-bit.md): Fluent Bit is a CNCF sub-project under the umbrella of Fluentd - [A brief history of Fluent Bit](https://docs.fluentbit.io/manual/4.0/about/history.md): Every project has a story - [Fluentd and Fluent Bit](https://docs.fluentbit.io/manual/4.0/about/fluentd-and-fluent-bit.md): The production grade telemetry ecosystem - [License](https://docs.fluentbit.io/manual/4.0/about/license.md): Fluent Bit license description - [Sandbox and lab resources](https://docs.fluentbit.io/manual/4.0/about/sandbox-and-lab-resources.md): An overview of free public resources for sandbox and labs for learning how to best operate, use, and have success with Fluent Bit. --- # 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://docs.fluentbit.io/manual/4.0/about.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.