What are carriage return, linefeed, and form feed?
问题 What is the meaning of the following control characters: Carriage return Line feed Form feed 回答1: Carriage return means to return to the beginning of the current line without advancing downward. The name comes from a printer's carriage, as monitors were rare when the name was coined. This is commonly escaped as "\r", abbreviated CR, and has ASCII value 13 or 0x0D. Linefeed means to advance downward to the next line; however, it has been repurposed and renamed. Used as "newline", it terminates