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GitHub

Code-hosting platform

What does GitHub mean?

The most popular website for storing Git repositories online and collaborating on them. GitLab, Bitbucket and Azure DevOps are the main alternatives.

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RepositoryA project's home: all its code, files and complete change history kept together in one place.
GitThe most widely used tool for tracking every change to code and letting a team work on it without overwriting each other.
CommitA snapshot of your changes with a short message describing them. The basic unit of progress in Git.
BranchA separate copy of the code where you can build a feature or fix without disturbing the main version.
MergeBringing the changes from one branch into another.
Pull Request (PR)A proposal to merge your branch, opened so others can review and approve the changes before they join the main code.
CloneMaking a local copy of an online repository onto your own machine so you can work on it.
ForkA personal copy of someone else's repository, so you can experiment or contribute changes back.