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Git is a free and open source distributed version control system designed to handle everything from small to very large projects with speed and efficiency.

macOS has git installed by default.

You can check version of git on your computer with this command:

git --version

If you need git, you can download it following this official web address:

https://git-scm.com/downloads

Example: On the image bellow we are in directory called myRepo. First we add all changes (git add .), commit changes with message and in the last step we push changes to remote repository.

Here are some most used git commands (cheat sheet):

Create Git Repo

From existing directory

cd project_dir
git init
git add .

From other repository

git clone existing_dir new_dir
git clone url...
git add .

Branching

List branches

git branch

List branches

git branch

Switch to branch

git checkout branchName

Create new branch

git branch branchName

Delete branch

git branch -d branchName

Local changes

Check local changes

git status

Tracked file changes

git diff

Add changed files

git add fileName
all: git add .

Remove file

git rm file

Commit changes

git commit
git commit -m "My message..."

Change last commit

git commit --amend

Revert changes to file

git checkout -- file

History

Show all commits

git log

Short Format

git log --pretty=-short

Patches

git log -p

Show file commits

git log file

Show directory commits

git log dir/

Stats

git log --stat

Who changed file

git blame file