Git installation

Git setup commit information

Write in terminal

git config --add user.name "Your Name"
git config --add user.email you@example.com
git config --add github.user GIT_USER_NAME

.gitignore

Consider placing a file .gitignore in the root of the repository.
It could contain this information

# Compiled source #
###################
*.com
*.class
*.dll
*.exe
*.o
*.so
*.pyc
*.py.swp

# Packages #
############
# it's better to unpack these files and commit the raw source
# git has its own built in compression methods
*.7z
*.dmg
*.gz
*.iso
*.rar
*.tar
*.zip

# Logs and databases #
######################
*.log
*.sql
*.sqlite

# OS generated files #
######################
.DS_Store*
ehthumbs.db
Thumbs.db
*~

Check in the file

git add .gitignore
git c