Where is it store for programming languages

Question

We learn to programming languages and type in computer files. Now a day programmer create several apps , so where is it store for the back end or front end programming languages in machine and softwares...

Answer 1

Nice question, you are very intelligent but I don't know the answer

Answer 2

I do not understand you question.

For both apps and sites. Typically the backend is within a server.

FrontEnd is the part the client or user sees and interacts with.