What are different types of coomand in Ant Migeration in salesforce?

These commands that can be used with Ant Migration :
1. ant bulkRetrieve: Retrieve all the items of a particular metadata type.
2. ant retrieveUnpackaged: Retrieve an unpackaged set of metadata from your org.
3. ant retrievePkg: Retrieve metadata for all the packages specified under package names
4. ant deployUnpackaged: Deploy the unpackaged set of metadata retrieved with retrieve packaged and run tests in this organization’s namespace only
5. ant deployZip: Deploy a zip of metadata files to the org
6. ant deployCode: Upload the contents of the “codepkg” directory, running the tests for just 1 class
7. ant deployCodeNoTestLevelSpecified: Shows deploying code with no TestLevel specified