루비 버전 나열
console:~$ rvm list
rvm rubies
ruby-2.0.0-p481 [ i686 ]
# => - current
# =* - current && default
# * - default
특정 버전의 루비를 사용하십시오
console:~$ rvm use 2.0.0
RVM is not a function, selecting rubies with 'rvm use ...' will not work.
You need to change your terminal emulator preferences to allow login shell.
Sometimes it is required to use `/bin/bash --login` as the command.
Please visit https://rvm.io/integration/gnome-terminal/ for a example.
source $HOME/.profile
또는 source $HOME/.bash_profile
RVM은 아마 그것의 초기화 라인을 정의한 경우.