# command mode

In *command* mode, keystrokes perform functions such as moving
the cursor, searching for patterns, or quitting from the document.
All commands are referenced from the current cursor position.

## Cursor movement

| Arrow Keys | Move one space in any direction. |
| --- | --- |
| G | Go to the last line in the file. |
| nG | Go to line n. |
| w | Move forward to the next word. |
| b | Move backwards to the previous word. |
| $ | Move to the end of the line. |
| 0 | Move to the beginning of the line. |
| CTRL+D | Scroll down 1/2 screen. |
| CTRL+U | Scroll up 1/2 screen. |
| CTRL+B | Scroll up Full. |
| CTRL+F | Scroll down Full. |

## Searching

| /string | Search for a "string" (pattern) of characters. |
| --- | --- |
| n | Search for the next occurrence of the "string". |
| :%s/str1/str2/g | Replace all occurrences of str1 with str2. |

## Deleting text

| x | Delete a single character. |
| --- | --- |
| dw | Delete a word. |
| dd | Delete an entire line. |
| ndd | Delete an n number of lines. |
| d$ or D | Delete from the cursor to the end of the line. |

## Copying text

| yy | Copy (yank) a line to the buffer. |
| --- | --- |
| nyy | Copy (yank) an n number of lines to the buffer. |
| P | Paste text from the buffer. |

## Changing text

| r | Mark a single character for replacement. |
| --- | --- |
| cw | Mark a word for changing. |
| cc | Mark a line for changing. |

## Miscellaneous commands

| j | Join the line below it. |
| --- | --- |
| !cmd | Execute a UNIX command. |
| :r file | Read a file into vi. |
| . | Repeat the last command. |
| u | Undo the last command. |

## Saving and exiting

| w | Write (save) the file. |
| --- | --- |
| :q! | Quit the file without saving changes. |
| ZZ | Write (save) the file and quit vi. |

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Source: https://d3codex.com/unix/command-mode/ - part of the D3Codex reference.