Ruby-install

1. How do you check Ruby is installed or not?
2. How do I run Ruby on Windows?
3. What is Rbenv and RVM?
4. What is Ruby EXE?
5. Where is my Ruby installed?
6. How do I know if gem is installed?
7. Where are Ruby Gems installed Windows?

How do you check Ruby is installed or not?

Use ruby -v in command prompt. if it shows the version installed on the system. then it means Ruby is installed on your system.

How do I run Ruby on Windows?

Open a command line window and navigate to your Ruby scripts directory using the cd command. Once there, you can list files, using the dir command on Windows or the ls command on Linux or OS X. Your Ruby files will all have the . rb file extension.

What is Rbenv and RVM?

Both rbenv and RVM are Ruby version management tool. RVM is used to manage and install different versions of Ruby and gemsets on system where Rbenv is a lightweight Ruby version management tool. ... Compared to RVM, rbenv does not manage gemsets nor install different Ruby versions.

What is Ruby EXE?

The genuine ruby.exe file is a software component of Ruby interpreter by Ruby Central Inc.. "Ruby.exe" is the name generally used for the executable interpreter for the Ruby open-source scripting language. ... Executable files may, in some cases, harm your computer.

Where is my Ruby installed?

By default, binaries installed by gem will be placed into: /usr/local/lib/ruby/gems/2.7. 0/bin You may want to add this to your PATH.

How do I know if gem is installed?

Since your goal is to verify a gem is installed with the correct version, use gem list . You can limit to the specific gem by using gem list data_mapper . To verify that it's installed and working, you'll have to try to require the gem and then use it in your code.

Where are Ruby Gems installed Windows?

When you use the --user-install option, RubyGems will install the gems to a directory inside your home directory, something like ~/. gem/ruby/1.9.