Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/checkout@v3, actions/cache@v3.0.11. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

[missing file]: [File System for Challenge Questions](../fig/filesystem-challenge.svg) [image missing alt-text]: ../fig/filesystem-challenge.svg

[image missing alt-text]: fig/nano-screenshot.png

[missing anchor]: [setup](#shell-setup)