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Introduction to Git
Version Control
Learning Outcome
4
Relate version control to real IT project work
3
Explain how version control helps individuals and teams
2
Identify problems that occur without version control
1
Understand what version control means in simple terms
Recall
To achieve this control, we first need to understand the concept behind it, which is Version Control
Writing an Assignment Over Time
Imagine working on an assignment:
Final submission
Changes after feedback
First draft
If you save only one file:
Old work is lost
You cannot compare changes
Version control works like saving every important draft,
so you can go back, compare or fix mistakes anytime
Connecting the Example to the Concept
The same problem happens in software projects, but on a much larger scale
Instead of one document, there are many files and many people
index.html
main.js
config.yaml
login.py
style.css
To manage this properly, we use the concept of Version Control
Connecting the Example to the Concept
Understanding the Real Problem First
Imagine working on a digital project that keeps changing
Every small improvement means editing files again and again
Connecting the Example to the Concept
Now think:
- Work changes over time & without proper tracking, mistakes become hard to fix
- Version control records every change and allows safe recovery when needed
Connecting the Example to the Concept
Now think:
But there is no record of what changed
when it changed or who changed it
This situation is very common in software work
Version Control exists to solve exactly this problem
Why Version Control Is Needed
Without version control:
- Files get overwritten
- Older work is lost
- Fixing mistakes becomes risky
- No clarity on the latest version
Why Version Control Is Needed
With version control:
- Every change is recorded
- Previous work remains safe
- Work stays organized
What Is Version Control?
Version control is a system that:
Keeps track of changes made to files
Maintains different versions of the same work
Records when changes were made
Version 1.0
Version 3.0
Version 2.0
Version control remembers how a project changes over time
How Version Control Helps Individuals
Version control helps individuals to:
Track their own progress
Experiment without fear
Undo mistakes easily
How Version Control Helps Teams
In team-based projects:
Multiple people work on the same files
Changes happen at the same time
How Version Control Helps Teams
Version control helps teams to:
Avoid overwriting each other’s work & Stay aligned
Manage shared work safely
Understanding Version Control Basics
Versions – saved states of work
Recovery – ability to go back to earlier work
History – timeline of changes
Change Tracking – record of updates
Importance of Version Control in IT Industry
IT companies use version control to:
Manage long-term projects
Support teamwork
Reduce risk during changes
Maintain consistency
Version control is a foundation concept, not a tool
Summary
5
It is essential in IT projects
4
It reduces confusion and risk
3
It supports teamwork
2
It prevents loss of work
1
Version control manages changes over time
Quiz
What is the main purpose of version control ?
A. Writing code faster
B. Tracking and managing changes
C. Running applications
D. Designing software
What is the main purpose of version control ?
A. Writing code faster
B. Tracking and managing changes
C. Running applications
D. Designing software
Quiz-Answer
DevOps: Version Control
By Content ITV
