git diff

Learn to view changes with git diff.

View file changes

git diff displays changes in the working tree that have not been staged. After editing a file, you can use this command to inspect which lines have changed. It compares the current file contents with the last staged state.

git diff

This allows you to review your edits before creating a commit.

Read diff output

In git diff output, lines beginning with + represent added content, while lines beginning with - represent removed content. The section marked with @@ indicates which file lines are involved in the change.

-Hello
+Hello Git

In this example, the old line was removed and replaced with a new line.

Exercise Display changes in the terminal

Write the git diff command to view unstaged changes in the working tree.

Show example solution

# Sahnelenmemiş değişiklikleri göster
git diff

Test yourself

You edited a file but have not used git add yet. Which command should you run to see the changes?
- git status --short
- git commit
- git diff
- git init
Show answer

git diff — <code>git diff</code> displays unstaged changes in the working tree.
Complete the diff command name
```
git d____
```
Show answer
```
git diff
```
Diff output markers

+ satırı

Added content
- satırı

Removed content
@@

Line location information
Working tree

Current working files

Next lesson: Working vs staged

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