Vi -

vi is a powerful, modal text editor that is standard on nearly all Unix and Unix-like operating systems (including Linux and macOS). It is known for its speed and efficiency, allowing users to edit text without removing their hands from the home row of the keyboard. Key Concepts & Modal Editing

Highly productive for power users who prefer keyboard shortcuts over mouse navigation. vi is a powerful, modal text editor that

: Move cursor left, down, up, right (alternative to arrow keys). w : Move forward one word. b : Move backward one word. 0 (zero) : Move to the beginning of the line. $ : Move to the end of the line. 3. Editing (Command Mode) x : Delete the character under the cursor. dd : Delete (cut) the entire current line. yy : Yank (copy) the current line. p : Paste the copied or deleted text after the cursor. u : Undo the last action. Advantages : Move cursor left, down, up, right (alternative