Ruby Download: How to Install and Use Ruby on Your Computer
Ruby is a popular, open source programming language that has many features and benefits for developers. Whether you want to create web applications, automate tasks, or learn a new skill, Ruby can help you achieve your goals. In this article, you will learn what Ruby is, why you should use it, how to download it, and how to use it.
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Introduction
What is Ruby?
Ruby is a dynamic, general-purpose programming language that was created by Yukihiro Matsumoto in 1995. It supports multiple programming paradigms, such as object-oriented, functional, and procedural. It has an elegant syntax that is easy to read and write. It also has a rich set of built-in libraries and a large community of developers who create and share gems (packages) for various purposes.
Why use Ruby?
Ruby has many advantages that make it a great choice for programming. Some of them are:
It is expressive and concise. You can write less code to achieve the same functionality as other languages.
It is flexible and powerful. You can modify and extend the language to suit your needs.
It is fun and enjoyable. You can use features like blocks, metaprogramming, and DSLs (domain-specific languages) to create elegant and creative solutions.
It is widely used and supported. You can find many frameworks, tools, and resources that are based on or compatible with Ruby.
How to download Ruby
Downloading Ruby from the official website
The easiest way to download Ruby is to visit the official website and follow the instructions there. You will find different options depending on your operating system and preferences.
Choosing the right version of Ruby
The official website provides stable releases, preview releases, snapshots, and older versions of Ruby. The stable releases are the most recommended ones as they are tested and reliable. The current stable version is 3.2.2 as of March 2023. The preview releases are for testing new features and bug fixes before they become part of the stable releases. The snapshots are daily updates of the latest development version of Ruby. The older versions are not maintained anymore and may have security issues or incompatibilities.
Installing Ruby on different operating systems
The official website provides different ways to install Ruby on different operating systems. For example:
On Linux/UNIX, you can use the package management system of your distribution or third-party tools like rbenv or RVM.
On macOS, you can use third-party tools like Homebrew, MacPorts, or RVM.
On Windows, you can use the RubyInstaller or the Windows Subsystem for Linux (WSL).
You can also download the source code of Ruby and compile it yourself if you want more control over the installation process.
Downloading Ruby using package managers or third-party tools
Another way to download Ruby is to use package managers or third-party tools that are available for different operating systems. These tools can help you manage multiple versions of Ruby and switch between them easily. Some of the most popular ones are:
Using apt for Debian or Ubuntu
If you are using Debian or Ubuntu, you can use the apt package manager to install Ruby. You can run the following commands in your terminal:
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sudo apt update sudo apt install ruby-full
This will install the latest version of Ruby and its dependencies. You can check the version of Ruby by running:
ruby -v
Using yum for CentOS, Fedora, or RHEL
If you are using CentOS, Fedora, or RHEL, you can use the yum package manager to install Ruby. You can run the following commands in your terminal:
sudo yum update sudo yum install ruby
This will install the latest version of Ruby and its dependencies. You can check the version of Ruby by running:
ruby -v
Using snap for Ubuntu or other Linux distributions
If you are using Ubuntu or other Linux distributions that support snap, you can use the snap package manager to install Ruby. You can run the following command in your terminal:
sudo snap install ruby --classic
This will install the latest version of Ruby and its dependencies. You can check the version of Ruby by running:
ruby -v Using RubyInstaller for Windows
If you are using Windows, you can use the RubyInstaller to install Ruby. You can download the installer from the official website and run it. You can choose the version of Ruby you want to install and follow the instructions. The installer will also install the DevKit, which is a toolkit that helps you compile native extensions for Ruby gems.
Using Homebrew for macOS
If you are using macOS, you can use the Homebrew package manager to install Ruby. You can install Homebrew by running the following command in your terminal:
/bin/bash -c "$(curl -fsSL
Then, you can install Ruby by running:
brew install ruby
This will install the latest version of Ruby and its dependencies. You can check the version of Ruby by running:
ruby -v
How to use Ruby
Running Ruby interactively using IRB
One way to use Ruby is to run it interactively using IRB (Interactive Ruby). IRB is a tool that lets you enter and execute Ruby code in a REPL (read-eval-print loop) environment. You can start IRB by running:
irb
In IRB, you can type any valid Ruby expression and see the result immediately. For example:
irb(main):001:0> puts "Hello, world!" Hello, world! => nil irb(main):002:0> 2 + 3 => 5 irb(main):003:0> exit
You can exit IRB by typing exit or Ctrl-D.
Running Ruby scripts from files
Another way to use Ruby is to run it from files that contain Ruby code. You can create a file with any text editor and save it with a .rb extension. For example, you can create a file called hello.rb with the following content:
# This is a comment puts "Hello, world!"
You can run this file by typing:
ruby hello.rb
This will print Hello, world! to the standard output. you used RubyInstaller to install Ruby on Windows, you can run the uninstaller from the Start menu or the Control Panel. You can also delete the Ruby folder from your hard drive.
Where can I find more Ruby tutorials and courses?
There are many online resources that offer Ruby tutorials and courses for beginners and advanced learners. Some of them are:
for interactive lessons and exercises.
for practical guides and tips.
for interactive challenges and quizzes.
for video courses and lectures.
for online courses from universities and institutions.
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