What is the meaning of diff in git

In git, diff means "difference" and "different"; the diff command is used to compare the differences between files, that is, to compare the differences between files in the temporary storage area and the work area. It can display the differences that have been written to the temporary storage area. The difference between the storage area and the file that has been modified but has not yet been written to the temporary storage area, the syntax is "git diff [file]".

The operating environment of this article: Windows 10 system, Git version 2.30.0, Dell G3 computer.

What is the meaning of diff in git

The git diff command compares the differences between files, that is, compares the files in the staging area and the work area difference.

The git diff command displays the difference between files that have been written to the staging area and files that have been modified but have not yet been written to the staging area.

git diff has two main application scenarios.

• Changes that have not been cached: git diff

• View cached changes: git diff --cached

• View all cached and uncached changes: git diff HEAD

• Show a summary instead of the entire diff: git diff --stat

Display the difference between the staging area and the work area:

$ git diff [file]

Display the difference between the staging area and the previous commit:

$ git diff --cached [file]

or

$ git diff --staged [file]

Display the difference between two submissions:

$ git diff [first-branch]...[second-branch]

Recommended learning: "Git Tutorial"

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