Git and the Command Line

What you will learn

• Terminal
• Pipes and redirection
• Git commits
• Branching and merging
• GitHub pull requests
• Safe undo
• Environment variables
• Shell scripts
• Processes and signals
• curl

Lessons

1. 1

   The Terminal

   Move around the file system, manage files, find them, and search text with pipes and redirection.

   15 exercises

2. 2

   Git Basics

   Create a repository, stage and commit changes, read history and diffs, and ignore files that do not belong.

   12 exercises

3. 3

   Branches and Merging

   Work on branches, merge them back, resolve a merge conflict, and undo mistakes safely.

   12 exercises

4. 4

   Remotes and GitHub

   Clone, push, fetch and pull, open pull requests, review code well, and contribute through a fork.

   12 exercises

5. 5

   A Real Workflow

   Run the feature branch workflow end to end, rebase, tag a release, and recover from the mistakes everyone makes.

   14 exercises

6. 6

   Environment, Exit Codes and Scripts

   Set environment variables for one command or a session, understand PATH and .env, chain commands on exit codes, and write a script that stops on failure.

   15 exercises

7. 7

   Processes, Signals and Talking to Servers

   Find and stop processes, tell SIGTERM from SIGKILL, call an HTTP API with curl and read its status line, keep tokens out of shell history, and set up SSH keys.

   15 exercises

8. 8

   Putting It Together: Ship a Release from the Terminal

   Cut release 1.3.0 of the shop API end to end: release branch, a release script that stops on failure, an annotated tag, a smoke test with curl, and a clean stop.

   13 exercises

How you practice

You practice in the browser and every exercise gives you feedback right away. This course uses these formats:

• Type the answer: 57
• Multiple choice: 11
• Reorder lines: 10
• Fill in the blank: 10
• Spot the bug: 8
• Match the pairs: 6
• Select all that apply: 6

Aligned to