Lesson 9 · Making changes
Undo, redo & repeat
Time travel
u undoes the last change. Ctrl-r redoes it. Everything you type between i and Esc counts as one change.
The dot command
. repeats your last change. Delete a line, move, press ., and it happens again.
Challenge 1 of 40/3
Oops
Delete the first line with dd, then bring it back with u.
1Important: never lose this line
2This one is fine
Normal1:1
Target
Important: never lose this line This one is fine
Lost? Esc always gets you back to Normal mode. Every key from every lesson is in the sidebar.