Vim: Editing in Normal Mode

While Normal Mode is primarily for navigation, it also contains powerful commands for editing text efficiently.

Command	Description
`x`	Delete the character under the cursor.
`dd`	Delete the current line.
`yy`	Yank (copy) the current line.
`p`	Paste the yanked or deleted text after the cursor.
`u`	Undo the last action.
`Ctrl + r`	Redo the last undone action.