Alias RVM allows you to alias your rubies for your convenience and pleasure. Usage rvm [options] alias source destination Source and Destination must be an RVM ruby string representing an RVM installed ruby. A gemset may be optionally included. Creating Aliases First select an RVM ruby. ∴ rvm alias create php ree-1.8.7-p2010.01 Using Aliases Now that you have created an alias, you can use the alias in place of the longer rvm selector string. ∴ rvm use php ∴ ruby -v ruby 1.8.7 (2009-12-24 patchlevel 248) [i686-darwin10.3.0], MBARI 0x6770, Ruby Enterprise Edition 2010.01 If you use any aliases that are rather funny, please hop in #rvm and let us know :) Deleting Aliases If you wish to delete an alias ∴ rvm alias delete dotnet Listing Aliases You can also list all current aliases ∴ rvm alias list php => ree-1.8.7-p2010.01 lisp => maglev-head python => rbx-head Documentation: http://rvm.beginrescueend.com/rubies/alias/