Dart is a modern, open-source programming language developed by Google, designed for building high-performance web, mobile, and desktop applications. It features a concise syntax, strong type system, and optimized compilation methods, making it ideal for scalable and efficient development. Dart is widely used with the Flutter framework to create cross-platform applications with a smooth user experience.

Features of Dart:

• Optimized for UI: Dart is designed to build interactive user interfaces, especially for Flutter applications.
• Just-in-Time (JIT) & Ahead-of-Time (AOT) Compilation: Supports fast development with JIT for hot reload and AOT for optimized release builds.
• Strong and Sound Type System: Ensures reliability and maintainability with static and dynamic typing.
• Asynchronous Programming: Built-in support for async and await simplifies concurrency and responsive app development.
• Portability: Dart can be compiled to native machine code or JavaScript, allowing applications to run on multiple platforms.
• Rich Standard Library: Includes comprehensive libraries for core utilities, networking, and collections.

To check the version of Dart: $ sudo su

To check the version of Dart: dart --version

Disclaimer: Dart is an open-source language distributed under the BSD License. It is maintained by Google and supported by a strong developer community.