How2, a command-line AI, utilizes an AI model to provide code and script suggestions within your Unix terminal. It offers command-line code and script suggestions based on your queries, boosting your programming productivity. How2 allows for the rapid creation of Bash scripts and offers StackOverflow searches. It also integrates with PowerShell, understanding context. As a secure tool, How2 solely provides command suggestions without executing them, mitigating any risk of code injection or misuse. Enjoy 5 free queries daily, with subscription options for exceeding the limit. Supported operating systems include MacOSX, Ubuntu/Debian, other Linux distributions, and Windows. Installation is available through the official website or using npm. How2 is developed by Claudio Santini based in London.