Regarding line break tags

Question

How system automatically insert line break in as its purpose is to give an opportunity to user to insert break. What mechanism it follows for it

Sam Hobbs · Answer

That sounds like an old book; it was first published (1981) before the internet existed correct?

Suthish Nair · Answer

:) yes.. From book named Computer Networks By Tanenbaum page number 632

Sam Hobbs · Answer

Suthish where did that come from? It is bizarre that it says that the tag is rarely used and that most HTML Authors do not know that it exists. Did you get it from another Universe?

Suthish Nair · Answer