Line Operations & Search Basics
Undo and Redo: u & Ctrl+R
FREE
+25 XP
What you need to do:
Press `x` to delete a character, then press `u` to undo it.
Expected key sequence:
u
⚠️
Attempts: 1
Time: 0s
✓ Excellent! + XP
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Concept Explanation & Reference
- `u`: Undo the last change
- `<Ctrl+r>`: Redo the last undone change
Vim maintains a deep history tree for undo operations.