GIT

INSTALLING GIT

 sudo apt-get install git

 git config --global user.name "Your Name" git config --global user.email "user_email@email.com"

 ssh-keygen -t rsa -C "user_email@mail.com"

 git init git remote add origin "repo_url"
<keep coding>
 git add file.ex git commit "An example of commit" git push origin master

git clone "repo_url" git fetch origin master git merge origin/master

 git branch testing git checkout testing<make changes> git checkout master git merge testing

 git rebase -i 4hf54e

Unstage a changed file.

Undo commits( optional ).