explain git-flow code example

Example 1: git flow feature

#Open a feature branch named: feature/feature_name
git flow feature start feature_name
#Close a feature branch
git flow feature finish feature_name
#Remember to push all branches
git push --all

Example 2: git flow

$ git flow init

Initialized empty Git repository in ~/project/.git/
No branches exist yet. Base branches must be created now.
Branch name for production releases: [master]
Branch name for "next release" development: [develop]
How to name your supporting branch prefixes?
Feature branches? [feature/]
Release branches? [release/]
Hotfix branches? [hotfix/]
Support branches? [support/]
Version tag prefix? []

$ git branch

* develop
 master