what is fork in github+ code example

Example 1: github fork

GitHub fork
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A fork is a copy of a repository. Forking a repository allows you to freely experiment with changes without affecting the original project. Most commonly, forks are used to either propose changes to someone else's project or to use someone else's project as a starting point for your own idea.

Example 2: fork on github code

$ git remote -v
> origin  https://hostname/YOUR_USERNAME/YOUR_FORK.git (fetch)
> origin  https://hostname/YOUR_USERNAME/YOUR_FORK.git (push)