Firebird is a powerful, open-source relational database management system (RDBMS). It supports SQL standards, multi-platform deployment, and is known for its high performance, scalability, and low resource consumption.

Features of Firebird:

• Supports multi-platform environments, including Linux, Windows, and macOS.
• Lightweight and efficient, with minimal system resource usage.
• Multi-generational architecture (MVCC) for high concurrency.
• Advanced SQL features, including stored procedures, triggers, and views.
• Secure authentication and access control with role-based management.
• Supports remote and embedded database configurations.

To check version of Firebird, use:

apt show firebird3.0-server

Disclaimer: Firebird is an open-source relational database management system developed and maintained by the Firebird Project community. It is distributed under the Initial Developer’s Public License (IDPL). This information is for educational purposes only and is not affiliated with, endorsed by, or sponsored by the official Firebird development team. Firebird is provided "as is," without any warranty, express or implied. Users utilize this software and its ecosystem at their own risk.