"Hello World!"

Create a repository
1 - Make a new repository on the site with the same name as in your computer
2 - mkdir ~/"Name of directory"
3 - cd ~/"Name of directory"
4 - git init
5 - touch "name of the file"
6 - git add "name of the file"
7 - git commit -m "'number' commit"
8 - git remote add origin https://github.com/username/Name of directory.git
9 - git push origin master

To update directory files:
1 - Edit the file...
2 - git add "the file"
3 - git commit -m 'number of commit'
4 - git push origin master