# VI editor quick reference commands

This information is not Rocket’s D3 documentation. It is reprinted from UNIX
 vi Quick Reference as reference material only.

The UNIX vi Quick Reference lists the most commonly used vi commands.

Note: vi is a case-sensitive editor. The command A is different from the command
 a.

To invoke
vi, type:

```
vi file.name
```

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Source: https://d3codex.com/unix/vi-quick-reference/ - part of the D3Codex reference.