# insert mode

In *insert* mode, the keyboard behaves like a typewriter.
Keystrokes display as screen text after typing any of these commands.

| i | Insert text at the cursor. |
| --- | --- |
| A | Append text at the end of the line. |
| a | Append text after the cursor. |
| O | Open a new line of text above the cursor. |
| o | Open a new line of text below the cursor. |
| Esc | Exit insert mode and invokes command mode. |

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