rvm

RVM, short for Ruby Version Manager, is a command-line tool used primarily for managing Ruby environments. It allows users to easily install, manage, and switch between multiple Ruby versions on a single machine.

With RVM, you can install specific Ruby versions, including different patch levels and implementations, such as MRI, JRuby, or Rubinius. This makes it convenient to work with different projects that may require specific Ruby versions.

RVM provides the ability to create and manage gemsets, which are isolated environments for managing project-specific gem dependencies. This helps ensure that each project uses its own set of gems without conflicts.

You can switch between different Ruby versions and gemsets using simple commands, enabling seamless transitions between projects with different requirements.

RVM also supports the automatic creation of environment files, which store the configuration for each Ruby version and gemset. This makes it easier to manage the environment variables associated with specific projects.

It offers command-line tools to update RVM itself, install additional dependencies, and troubleshoot common problems. This helps keep the tool up-to-date and ensures the smooth functioning of Ruby environments.

RVM supports integration with various text editors and IDEs, which allows developers to utilize its features directly within their preferred development environment.

Additionally, RVM provides support for using custom patch sets, allowing more granular control over Ruby versions and configurations.

RVM supports different platforms, including Linux, macOS, and FreeBSD, making it widely accessible to developers on various operating systems.

Overall, RVM is a versatile command-line tool that simplifies managing multiple Ruby versions, gemsets, and environment variables, making it an essential tool for Ruby developers.