#vim-configuration

Unlocking Vim’s Persistent Undo: How to Keep Your History Across Sessions

Persistent undo in Vim lets you keep undo history across sessions. Enable it with <code>set undofile</code> and <code>set undodir</code>, verify with <code>:undolist</code>, and view the undo tree with a plugin. Learn trade‑offs, cleanup, and a practical example of recovering a lost line.