Which of the following commands can be used to keep Ruby on Rails up to date?
A) gem update
B) gem update rails
C) gem get rails
D) rubygem update rails

Question

Quizplus · Accepted Answer

The command "gem update rails" is specifically for updating the Ruby on Rails framework to the latest version. The command "gem update" updates all installed gems to their latest versions, which may not necessarily include Ruby on Rails. The commands "gem get rails" and "rubygem update rails" are not valid commands.

Which of the Following Commands Can Be Used to Keep