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How2 - AI for the Command-Line

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Coding & Development

Introduction

How2 is an AI-powered tool for suggesting shell commands, enhancing the Command Line experience.

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How2 - AI for the Command-Line Product Information

How2 – AI for the Command-Line is an AI-assisted tool designed to suggest shell commands and quick Bash scripts directly from your Unix-like terminal. It uses AI models trained on Bash/Zsh (and can handle PowerShell with the -s option) to propose options, helping you write commands and small scripts without executing them automatically. The service offers a limited free tier (5 queries per day) and emphasizes safety by not running any commands for you and by rejecting risky queries to prevent misuse.

How it Works

  • AI models trained on Bash/Zsh (and PowerShell compatibility via -s) propose commands and one-liner scripts based on your prompts.
  • If the response isn’t what you need, reword your prompt (e.g., add "for loop", "bash script", or "one liner").
  • Optional search mode (-s) queries StackOverflow via Google to supplement suggestions.
  • The tool focuses on assisting with command construction rather than executing commands.

How to Use How2

  1. Install or run How2 according to your platform (instructions below).
  2. Prompt How2 in the terminal with your request (e.g., "create a bash for loop that prints numbers 1-10").
  3. Review the proposed commands or scripts and copy-paste to your shell for execution.
  4. If needed, rephrase and try again.

Note: If you install How2 without sudo, run it with npx or adjust permissions accordingly.

Installation & Availability

  • MacOS: brew tap how2terminal/how2; brew install how2
  • Ubuntu / Debian: wget how2terminal.com/how2.deb; sudo dpkg -i how2.deb
  • Windows: downloadable binaries; or install via npm: sudo npm install -g how2
  • Alternative: download binary packages for Linux/Windows or use via npm/npx

Safety and Privacy

  • How2 will never execute commands for you; it only provides suggestions.
  • Some queries may be rejected to prevent potential misuse or code injection.

Core Features

  • AI-assisted command suggestions directly in the terminal
  • Quick Bash scripts and one-liner generation
  • Context-aware prompt handling with rewording guidance
  • PowerShell compatibility via -s option
  • StackOverflow search integration for expanded answers
  • Free tier with up to 5 queries per day
  • Clear safety safeguards: no automatic command execution, misuse protection
  • Cross-platform installation (macOS, Ubuntu/Debian, Windows, Linux via binaries or npm)