# Backend roadmap resources

## Networking, Internet, HTTP

[An introduction to APIs (Course)](https://zapier.com/resources/guides/apis?utm_source=pocket_saves)

[How the internet works](https://cs.fyi/guide/how-does-internet-work)

[How the internet works (video course)](https://www.youtube.com/watch?v=zN8YNNHcaZc&ab_channel=freeCodeCamp.org)

[What is HTTP](https://www.cloudflare.com/en-gb/learning/ddos/glossary/hypertext-transfer-protocol-http/)

[An overview of HTTP](https://developer.mozilla.org/en-US/docs/Web/HTTP/Overview)

## DNS

[How DNS works](https://www.cloudflare.com/en-gb/learning/dns/what-is-dns/)

[What is a domain name?](https://developer.mozilla.org/en-US/docs/Learn/Common_questions/Web_mechanics/What_is_a_domain_name)

[DNS video series](https://www.youtube.com/watch?v=zEmUuNFBgN8&list=PLTk5ZYSbd9MhMmOiPhfRJNW7bhxHo4q-K&ab_channel=LearnCantrill)

## Browsers

[How browsers work (MDN)](https://developer.mozilla.org/en-US/docs/Web/Performance/How_browsers_work)

## Shell

[Top 50+ Linux commands you must know](https://www.digitalocean.com/community/tutorials/linux-commands)