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1.1 - Version Control - GitHub Foundations

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By Yatharth Chauhan
1 min read

What is Version Control?

Definition: A system that helps manage changes to files or a collection of files over time, allowing users to track revisions, collaborate with others, and revert to earlier versions if needed.

  • Manages changes to files over time.
  • Tracks revisions and history.
  • Enables collaboration without conflicts.
  • Allows reverting to previous versions.
  • Like a time machine for your files.

The Importance of Version Control

  • Tracking Changes: Keeps a detailed history of changes made to your files.
  • Collaboration: Multiple people can work on the same project simultaneously without overwriting each other’s work.
  • Recovery: Easily revert to previous versions if something goes wrong.

Types of Version Control Systems

Local Version Control

  • Description: Tracks changes on a local system. This is like saving multiple versions of a file on your computer.
  • Pros: Simple and does not require a network connection.
  • Cons: Limited to your local machine; not ideal for collaboration.

Centralized Version Control

  • Description: Uses a central server to store all versions of files. Users check out files from the central server and check in changes.
  • Examples: SVN (Subversion), CVS (Concurrent Versions System).
  • Pros: Centralized control, easier to manage access.
  • Cons: Dependency on the central server; can become a single point of failure.

Distributed Version Control

  • Description: Every user has a complete copy of the repository, including its history. Changes are made locally and then shared with others.
  • Examples: Git, Mercurial.
  • Pros: Full history available locally, robust against server failures, supports complex workflows.
  • Cons: Requires more storage; synchronization can be complex.

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This post is licensed under CC BY 4.0 by the author.