heyCLI is an AI tool that helps users with Linux commands by translating natural language into command line instructions. With heyCLI, users can work in the terminal using plain English instead of having to memorize and type specific Linux commands. The tool has just been launched in a preview version and users can try it out by following the instructions in the GitHub repository. Users can sign up with their email to receive updates about new features. heyCLI offers a convenient way to interact with Linux commands, making it a valuable tool for both beginners and experienced users.