Thursday, December 10, 2015

Git vs GitHub vs GitHub Enterprise

A lot of folks get confused over the differences between Git and GitHub and use the words interchangeably. Also when folks talk about GitHub, it is assumed that it is only available on the public cloud and cannot be hosted in-premise.

Git is essentially a distributed version control system. It is called 'distributed' because we can use it locally and disconnected from the internet and then push our changes to another centralized repository (such as GitHub, Team Foundation Server, CodePlex, etc.) as and when required.
For a good comparison of centralized vs distributed source control systems, please read this blog post.

GitHub is a hosted service (public cloud) that can host your repositories and allows you to access your repositories via a web based interface. It is possible to use Git without GitHub, but only on a local machine. Hence in order to collaborate and work in a team, we have to use GitHub.
In the free plans of GitHub, we can create any number of public repositories, with unlimited collaborators. In the paid plans of GitHub, you can create private repositories.

GitHub Enterprise is the on-premises version of GitHub, which you can deploy and manage in your own, secure environment (private cloud).

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