回车换行符(Carriage-Return Line-Feed)

In Mac is "\r" In linux and Unix is "\n" In windows is "\r\n" "\r" in ascii is 0x0D and "\n" is 0x0A "\r" is called CR. "\n" is called LF. CR LF is short for "Carriage-Return Line-Feed"回车换行. 中english结合 is good!