ruby-1.8.7-p371 [ x86_64 ] ruby-1.9.2-p320 [ x86_64 ]
ytjohn@freshdesk:~$ rvm use 1.8.7
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.