Version control
Managing code changes tracking history and enabling collaboration. Version control prevents code loss and enables team development.
Real World
The Linux kernel is developed by over 15,000 contributors using Git, where Linus Torvalds reviews proposed changes via branches and merges, with the full history of every change since 2005 preserved.
Exam Focus
When asked to 'explain' version control, always cover branching and merging — not just saving multiple copies of files.
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