Cloning the repository in local machine and checkin the code.

git clone https://github.com/bckreddy1985/opp-opportunity-main.git

1. Add the meta files to the src folder.
2. Add and Commiting the files a) "git add ." b) git commit -m "Add the comment" c) git push

Retrieving files from Saleforce org.

1. navigate to the folder where build.xml file exist.
2. Run command "ant retrieveUnpackaged"

Deploying file into Salesforce org.

1. Navigate to the folder where build.xml file exist.
2. Run command "ant deployUnpackaged"