**Step 1: Update Portage Database**

Run the following command to update the Portage database:

emerge --sync

This will ensure that you have the latest package list available.

**Step 2: Install Code::Blocks**

To install Code::Blocks, run the following command:

emerge -v codeblocks

The `-v` option tells Portage to show the version number of the package being installed. You can omit this option if you don't care about seeing the version number.

**Step 3: Configure Code::Blocks**

After installation, you'll need to configure Code::Blocks by running the following command:

codeblocks --configure

This will start the configuration wizard, which will guide you through setting up your IDE preferences.

**Step 4: Start Code::Blocks**

To start using Code::Blocks, simply run the following command:

codeblocks

This will launch the IDE, and you can start creating and editing your projects.

**Tips and Variations:**

• If you want to install a specific version of Code::Blocks (e.g., 20.03), use the following command:

emerge -v codeblocks=20.03

• To uninstall Code::Blocks, run the following command:

emerge --uninstall codeblocks

That's it! You should now have Code::Blocks installed and configured on your Gentoo Linux system.