vi

Modes:

• Command Mode: Press esc to enter. Use single key commands for navigation, editing, and file operations.

• Insert Mode: Press i, a, or o to enter. Type text normally. Press esc to return to Command Mode.

Movement:

• h, j, k, l: Move left, down, up, right (one character)

• H, M, L: Move to top, middle, bottom of screen

• 0 (zero): Move to beginning of line

• $: Move to end of line

• n, N: Find next/previous occurrence of current word

• b, B: Move to beginning/end of word

• G: Go to specific line number (e.g., G10)

• gg: Go to the very beginning of file

• Ctrl-f, Ctrl-b: Page forward/backward

Editing:

• x: Delete current character

• X: Delete current line

• d: Delete (repeat for more characters/lines)

• dw, de: Delete word or to end of word

• yy, yank: Copy current line

• p: Paste copied text

• r: Replace current character with new character

• c: Change (replace) text (e.g., cw to change word)

• I: Enter Insert Mode at beginning of line

• A: Enter Insert Mode at end of line

• o: Enter Insert Mode below current line

Saving and Quitting:

• :w (write): Save changes

• :wq (write & quit): Save changes and quit

• :q (quit): Quit without saving (may prompt)

Other:

• :set nu (number): Show line numbers

• /, ?: Search forward/backward for text

• !:command: Run shell command

Remember:

• esc is your escape key in Command Mode.

• Most commands can be prefixed with a number for repetition (e.g., 3dd deletes 3 lines).

• Explore :help for more advanced commands and options.