> ## Documentation Index
> Fetch the complete documentation index at: https://docs.qbraid.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Usage Guidelines

> Instructions to help you navigate, manage, and customize your lab environment effectively.

## Persistent and Non-Persistent Files

When working within the qBraid Lab environment, please note that modifications to certain files and directories **will not persist** between sessions. The affected files and directories include:

* `.bash_logout`
* `.conda`
* `.config`
* `.ipython`
* `.jupyter`
* `.local`
* `.profile`
* `.wget-hsts`

Any changes made to these files or directories will be reset once your session ends.

## Customizing Your Environment

Your `.bashrc` file contains a specific delimiter to delineate which sections of the file can be safely modified to persist between sessions. Here is the structure of the delimiter:

```bash theme={null}
# ==================== DO NOT MODIFY CODE ABOVE THIS LINE ====================
# ANY CHANGES ABOVE THIS LINE WILL BE OVERWRITTEN DURING QBRAID SYSTEM STARTUP.
# You may add your custom configurations below this line.
```

Please ensure that **any customizations** you wish to retain are added **below** this delimiter line. Changes made above this line will not be saved when your session ends.

## Suppressing the Terminal Banner

If you prefer not to see the qBraid terminal banner during startup, you can suppress it by setting the `QBRAID_SHOW_BANNER` environment variable to `false`. This adjustment can be made by executing the following command in terminal:

```bash theme={null}
echo "export QBRAID_SHOW_BANNER=false" >> "$HOME/.bashrc"
```

This command appends the setting to disable the banner to the end of your `.bashrc` file, ensuring it takes effect in all future terminal sessions.