Installing Ruby and Setting Up Environment

To start writing Ruby code, you need to install Ruby and optionally an editor or IDE.

Installing Ruby:

• Windows: Use the RubyInstaller from rubyinstaller.org
• macOS: Use Homebrew: brew install ruby
• Linux: Use your package manager: sudo apt install ruby-full

Check Installation:

ruby -v

This should display the installed Ruby version.

Optional Editors:

• VS Code (with Ruby extension)
• Sublime Text
• RubyMine (full-featured Ruby IDE)