This is a visualization of the files that will be generated by some useful rails generators. Invoke a generator from command line via rails generate GENERATOR [args] [options]. List all generators (including rails generators) with rails g -h.

generator	model	migration	controller	entry in `routes.rb`	views	tests
scaffold	✔	✔	✔	✔	✔	✔
resource	✔	✔	✔	✔		✔
model	✔	✔				✔
controller			✔	✔		✔
migration		✔

Rails Long Term Support

Rails LTS provides security patches for old versions of Ruby on Rails (2.3, 3.2, 4.2 and 5.2)

Prevents you from data breaches and liability risks
Upgrade at your own pace
Works with modern Rubies

Rails: Default generators

Rails Long Term Support