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DevOps & Automation · Foundational

Git

A free, open-source distributed version control system that tracks changes to files and enables collaborative development.

Definition

Every Git clone contains the full repository history, so most operations are local and fast. Git stores snapshots as content-addressed objects (blobs, trees, commits, tags) identified by hashes, and supports lightweight branching and merging.

Example

git clone https://github.com/org/repo.git && git switch -c feature/login

Exam tip

Git is distributed (every clone has full history), unlike centralized systems such as Subversion.

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