# Using the Computer

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This section covers day-to-day tasks on a TechLit computer, from changing settings to managing apps and games.
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## Changing System Settings (`tl-sys-configure`)

This is the main tool for setting up a computer's name and its role in the classroom.

> [!NOTE]
> Open this tool by typing `tl-sys-configure` in the terminal (logged in as admin).

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- **Set Role**: Make the computer a `server` (main) or a `client` (student).
- **Wi-Fi Setup**: Set the name of the Wi-Fi network for students.
- **Computer Name**: Give the computer a unique name (like `tl-1234`).
- **Fix Hardware**: Turn on special fixes for older computers.
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## Managing Apps & Storage (`tl-comp-manage`)

Use this tool to see which apps are installed and to free up disk space by removing old files.

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> [!NOTE]
> Search for **"Manage Components"** in the application menu to open this tool.

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### **Check Space**

- See a list of all installed parts and how much space they use.
- Remove old parts or "snapshots" to get more free space.
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## Updating components (`tl-comp-update`)

Use this tool to update the computer's software using a USB drive.

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> [!NOTE]
> Search for **"Update Components"** in the application menu to open this tool.

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### **USB Updates**

- Update apps and tools from a USB drive.
- Perform a full update of the computer system.
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## Adding Games

You can add games and other software to TechLit computers. These are managed just like other parts of the system.

For step-by-step steps on adding or removing games, see the [**Games Guide**](./games).

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## System Updates

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You mostly use the **Component Updater** tool for this. The method changes if you use a USB drive or the local network.

For full steps on all update methods, see the [**Update Guide**](../updating/).
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