| Command | Summary | Example usage | Useful options |
|---|---|---|---|
| lspci | Displays information about PCI buses and devices connected to them. | Check if video cards are identified by the system correctly. | -k Show installed drivers for each connected device |
| ubuntu-drivers devices | Show devices which need drivers and the packages that can be installed to supply them. | Find the recommended proprietary driver package for an installed NVIDIA GPU. | |
| dpkg -l | List all installed packages with summaries. |
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