Git — Configuration

Configuration Levels

Level	File	Command
System	/etc/gitconfig	--system
Global	~/.gitconfig	--global
Local	.git/config	--local

Essential Settings

# User information
git config --global user.name "Your Name"
git config --global user.email "your@email.com"

# Default branch name
git config --global init.defaultBranch main

# Editor
git config --global core.editor "code --wait"
git config --global core.editor "vim"

# Line endings
git config --global core.autocrlf true  # Windows
git config --global core.autocrlf input # macOS/Linux

View Configuration

git config --list
git config user.name
git config --global --list

Aliases

git config --global alias.co checkout
git config --global alias.br branch
git config --global alias.ci commit
git config --global alias.st status
git config --global alias.lg "log --oneline --graph"

SSH Keys

# Generate key
ssh-keygen -t ed25519 -C "your@email.com"

# Add to SSH agent
eval "$(ssh-agent -s)"
ssh-add ~/.ssh/id_ed25519

# Copy public key
cat ~/.ssh/id_ed25519.pub

Mini Practice

1. Set user information
2. Configure editor
3. Create aliases
4. Set up SSH keys

Up Next

Continue with Create Repository — creating repositories.