To see the name of the current gemset
$ rvm gemset use albinochipmunk $ rvm gemset name albinochipmunk
To list the full directory path for the current gemset:
$ rvm gemdir /Users/wayne/.rvm/gems/1.9.2-head@albinochipmunk
To list all named gemsets for the current ruby interpreter
$ rvm gemset list global albinochipmunk
To list all named gemsets for all interpreters
$ rvm gemset list_all
Looking for knowing where you are at? See rvm-prompt