What is meant by n in /n tag?

Answer 1

It is \n and not /n.
It basically adds a new line.

Answer 2

Seems like "new line" to me

Answer 3

Escape sequence

http://en.cppreference.com/w/cpp/language/escape

Answer 4

Line brake.

Answer 5

/n tag is for moving to a new line (
alternative to the endl)