What is Git ?
1.1 What is Git
Git is a distributed version control system (DVCS) that lets you track changes in your codebase, collaborate with others, and manage project history efficiently.
It was created by Linus Torvalds in 2005 to support the development of the Linux kernel.
It was created by Linus Torvalds in 2005 to support the development of the Linux kernel.
1.2 Why use Git ?
• Track every change: See what was changed, when, and by whom.
• Work collaboratively: Multiple developers can contribute without overwriting each other's work.
• Undo mistakes: Roll back to previous versions easily.
• Branch with ease: Work on features in isolation, then merge them in.
• Work collaboratively: Multiple developers can contribute without overwriting each other's work.
• Undo mistakes: Roll back to previous versions easily.
• Branch with ease: Work on features in isolation, then merge them in.
1.3 Git vs Traditional Version Control
| Feature | Git | Centralized VCS |
|---|---|---|
| Type | Distributed | Centralized |
| Offline Support | ✅ Yes | ❌ No |
| Speed | ⚡ Fast | 🐢 Slower |
| Collaboration | Decentralized | Central server bottleneck |
| Merging | Advanced algorithms | Often manual/conflict-prone |
1.4 Git in real world
Imagine you are writing a novel with a friend:
• Git keeps a record of each edit.
• It allows both of you to write in parallel, then merge.
• If your friend deletes a paragraph accidentally, you can recover it.
• Git keeps a record of each edit.
• It allows both of you to write in parallel, then merge.
• If your friend deletes a paragraph accidentally, you can recover it.