Diff

The exact list of changes: which lines were deleted and which lines were added. Read it before you accept the changes.

You’ll also find it as: diffs, git diff

How it appears in the course

/model — you pick a different artificial intelligence model (some are faster, some are more capable).
What are the main slash commands? · Module 00, Installation and first steps · free
Second line: git diff main shows what you changed compared to the project’s main version. Claude checks it (“review”). Git is the program that keeps the history of changes in the project.
What tricks will help you? · Module 01, How to talk to Claude · free
There can be several memory files, at different levels.
Where can CLAUDE.md live? · Module 02, CLAUDE.md: your project’s memory

Where you learn it

In module 04 · The working method, step by step, in the Claude Code for Beginners course.

Related terms

/compactBranchCheckpointCommitContextConventional Commits

Learn Claude Code from zero, in plain English

12 modules with 1–2 minute lessons, which you can also do on your phone. The first two modules are free.

Start with the first lessonAll terms