I recommend you read a starter guide. That would help you clear a lot of doubts. I found this one that is very didactic without getting into the obscure side of git:
http://rogerdudler.github.io/git-guide/ -- You received this message because you are subscribed to the Google Groups "Git for human beings" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
