# CS50 IDE Shortcuts

## Text Editing

| Key                 | Description            |
| ------------------- | ---------------------- |
| Tab                 | Indent or Block Indent |
| Shift + Tab         | Block un-Indent        |
| Control + C         | Copy                   |
| Control + V         | Paste                  |
| Control + A         | Select all             |
| Control + Z         | Undo                   |
| Control + X         | Cut                    |
| Control + /         | Comment                |
| Control + F         | Find                   |
| Control + K         | Find Next              |
| Shift + Control + K | Find Previous          |
| Control + Backspace | Remove Word Left       |
| Control + =         | Larger Font            |
| Shift + Control + = | Smaller Font           |

## Selection

| Keys                | Description    |
| ------------------- | -------------- |
| Shift + Down Arrow  | Highlight down |
| Shift + Up Arrow    | Highlight up   |
| Shift + Left Arrow  | Select Left    |
| Shift + Right Arrow | Select Right   |

## Terminal

| Keys        | Description                |
| ----------- | -------------------------- |
| Alt + S     | Switch to Terminal or File |
| Control + C | Abort Command or Program   |

## Navigation

| Keys            | Description    |
| --------------- | -------------- |
| Control + W     | Close Pane     |
| Shift + Control | Previous Pane  |
| Control + ]     | Goto Right Tab |
| Control + \[    | Goto Left Tab  |

## File

| Keys                | Description |
| ------------------- | ----------- |
| Control + S         | Save        |
| Control + N         | New File    |
| Shift + Control + S | Save As     |


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://www.pythonclassroom.com/python-cloud-options/cloud9/cloud9-cheat-sheet.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.