1. Fork the main project https://github.com/OpenMRS-Australia/openmrs-cpm.git 

2. Clone your project to a directory (using GitHub client or command line below)
   
   

   ^{git clone http://github.com/yourUsername/openmrs-cpm.git}

3. Go into the newly cloned folder
   
   

   ^{cd  openmrs-cpm}

4. Add the main project as a remote branch (convention typically calls it "upstream" as shown below)
   
   

   ^{git remote add upstream https://github.com/OpenMRS-Australia/openmrs-cpm.git}

5. Make your changes and commit them locally

   1. To add a new file
      
      

      ^{git add fileName}

   2. To commit your changes
      
      

      ^{git commit -m "This is a commit message. Make it descriptive"} 

6. Push your local changes to your GitHub.com account
   
   

   ^{git push origin master} 

7. To contribute back to the main project,

   1. Retrieve latest changes from the main project
      
      

      ^{git pull upstream master}

   2. Resolve conflicts (if any)

   3. Commit changes

8. Go to your GitHub.com repot (http://github.com/yourUsername/openmrs-cpm.git) and to make a pull request

Useful Links

Interactive tutorial: https://try.github.io/

Cheat Sheet: https://training.github.com/kit/downloads/github-git-cheat-sheet.pdf