RVM definition

https://rvm.io/ definition

See also

• https://rvm.io/

RVM is a command-line tool which allows you to easily install, manage, and work with multiple ruby environments from interpreters to sets of gems.

rvm

Usage:

    rvm [--debug][--trace][--nice] <command> <options>

  for example:

    rvm list                # list installed interpreters
    rvm list known          # list available interpreters
    rvm install <version>   # install ruby interpreter
    rvm use <version>       # switch to specified ruby interpreter
    rvm remove <version>    # remove ruby interpreter
    rvm get <version>       # upgrade rvm: stable, master

Available commands:

  rvm has a number of common commands, listed below. Additional information about any command
  can be found by executing `rvm help <command>`.

  ruby installation
      fetch                   # download binary or sources for selected ruby version
      install                 # install ruby interpreter
      list                    # show currently installed ruby interpreters
      list known              # list available interpreters
      mount                   # install ruby from external locations
      patchset                # tools related to managing ruby patchsets
      pkg                     # install a dependency package
      reinstall               # reinstall ruby and run gem pristine on all gems
      remove                  # remove ruby and downloaded sources
      requirements            # installs dependencies for building ruby
      uninstall               # uninstall ruby, keeping it's sources
      upgrade                 # upgrade to another ruby version, migrating gems

  running different ruby versions
      current                 # print current ruby version and name of used gemsets

rvm list

=* ruby-2.6.0 [ x86_64 ]

# => - current
# =* - current && default
#  * - default