What is \r ?

Answer 1

It's like \n (newline) but for different platforms (dunno details...)

Answer 2

carriage return.

Answer 3

\r will take you to the initial position of the current line.
whereas \n will work with \r + newline.

Answer 4

but what it does ?

Answer 5

OK, thanks.

Answer 6

\r is used for starting a new line on Mac. \n is used instead on linux. Both are used together (\r\n) on windows.