What is the use of ruby?

Answer 1

Main usage is back-end web programming via Ruby-on-rails

Answer 2

For info on back end:
https://codeup.com/front-end-vs-back-end/

'The "Back End" of a system refers to the parts of a program that the user doesn't see, but are vital to its operation. These are things like the database, which stores user information and internal processes that make sure the system stays up and running correctly These parts of a program may not be  visible to a user, but they are vital to any system.

In learning how to work on the back end of a system, you'll need to learn different languages and frameworks that allow you to pull data from a data base, such as SQL. You'll also need to learn the languages that power the back end of system and allow it to push data to the front end, such as Ruby, Python, PHP, and Javascript.

Focusing on the back end of a system means that you'll be learning languages and skills such as these:

RubyRuby on Rails, Python, Git, PHP, Javascript, Angular, JSSQL'
from: https://help.codecademy.com/hc/en-us/articles/220958708-What-is-Back-End-programming-?mobile_site=true

Answer 3

"The Rails framework helps developers to build websites and applications, because it abstracts and simplifies common repetitive tasks. Rails is written in Ruby, the programming language which is also used alongside Rails. Ruby is to Rails as PHP is to Symfony and Zend, or as Python is to Django."

from:
https://bitzesty.com/2014/03/03/ruby-on-rails-what-it-is-and-why-we-use-it-for-web-applications/

Answer 4

Thanks @samaritan

Answer 5

What's back-end web programming