Undo and redo operations are seamless using Vim.
How to undo changes in Vim
To undo changes in Vim, press u. In addition, using any combination of the :u[ndo] command:
:u:un:und:undo
How to redo changes in Vim
To redo changes in Vim, press CTRL-R. In addition, using any combination :red[o] command:
:red:redo