GitHub basic instructions

Some instructions from: https://www.howtoforge.com/tutorial/install-git-and-github-on-ubuntu-14.04/

SET UP GIT:

Install Git:
```
sudo apt-get install git
```

Configure GitHub:

git config --global user.name "user_name"
git config --global user.email "email_id"

CREATE REPOSITORY:

Local repositoriy:

git init repository_name
cd repository_name

Create repository on GitHub:
- go to web-site and create repository
- copy the URL
```
git remote add origin https:... (URL of repository)
```

WORK IN REPOSITORY:

Add repository files to index:

git add README
git add all_files_that_you_have_created or git add .

Commit changes:
```
git commit -m "message"
```
Push files to GitHub repository:
```
git push origin master/name_of_branch
```
Pull from GitHub:
```
git pull origin master (or a branch)
```
Create a new branch:
```
git checkout -b name_of_branch
```
Commit changes on branch:
```
git commit -m "message"
```

Switch between branches or branch and master:

git checkout name_of_branch_you_want_to_switch_to

Merge branch with master:

git checkout master
git merge name_of_branch

Delete branch that you don't need anymore:
```
git branch -d name_of_branch
```
Delete directory:
```
git rm -r directory_name
```