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# User Manual

The User Manual dives into F Prime concepts and usage, providing a deep understanding of how the framework operates. The different chapters are listed below.

> [!TIP]
> **← Navigation pane**  
> Use the navigation pane on the left to explore the different chapters of the User Manual. If the navigation pane is not visible, click on the menu icon (three horizontal lines) at the top left corner of the page. The navigation pane is hidden on narrow screens or if zoomed in.

- __Overview__ - Technical overview of the F´ ecosystem.

- __Framework__ - Learn concepts and mechanisms needed to build and use an F´ application.

- __FPP User's Guide__ - In-depth user guide for F Prime Prime (FPP), the F´ modeling language.

- __F´ GDS__ - Learn how to use the GDS and how it can be used to test F´ applications.

- __Design Patterns__ - Learn about common design patterns used in F´ applications.

- __Build System__ - Learn about the F´ build system and how to customize it.

- __Security__ - Security considerations when designing and developing F´ applications.