\r= CR (Carriage Return) → Used as a new line character in Mac OS before X\n= LF (Line Feed) → Used as a new line character in Unix/Mac OS X\r\n= CR + LF → Used as a new line character in Windows
\r = CR (Carriage Return) → Used as a new line character in Mac OS before X\n = LF (Line Feed) → Used as a new line character in Unix/Mac OS X\r\n = CR + LF → Used as a new line character in Windows