Links: Vim
Vim undo and redo functions works for the most part as you would expect, you can press u in normal mode to undo the last action and Ctr-r to redo it.
You can also use u with a number modifier like 3u to undo 3 steps.
time-travel
Vim allow you to move back and forward on your file edits not only one by one, but also by time intervals, here are some examples:
| command | description |
|---|---|
:earlier 10m | undo changes in last 10 minutes |
:ea 2d | undo changes in last 2 days |
:later 10m | redo changes in last 10 minutes |
:lat 10s | redo changes in last 10 seconds |
:ea 3f | undo changes in last 3 file writes |