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Version Control

Version Control. What it is and why you want it. What is Version Control?. A system that manages changes to documents, files, or any other stored information. Also known as source control or revision control. Why is Version Control useful?.

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Version Control

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  1. Version Control What it is and why you want it

  2. What is Version Control? • A system that manages changes to documents, files, or any other stored information. • Also known as source control or revision control

  3. Why is Version Control useful? • Provides a systematic approach to managing changes and updates to files that are shared amongst a development team. • Vast improvement over old methods (email, file upload services, etc)

  4. What does Version Control do? • Tracks an update “Tree” • Revision Numbers • Creates ‘fallback’ points! • Branches • Want to add a new feature? • Tags • Releases!

  5. Types of Version Control Centralized Distributed Peer to Peer model - everyone has a ‘working copy’ of the repository Most operations are done on the ‘working copy’ Collisions? Patch merging • Server to Client model - everyone connects to the server to get the source • All Operations are server-side • Collisions? • File locking • File merging

  6. Some Examples Centralized Source Control Distributed Source Control Git Good all around Mercurial Fast and scalable Bazaar Easy of use Monotone Integrity • CVS • OLD! • SVN • Very popular

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