On a typewriter, the action of the carriage roller to push the page up one, two or one and a half lines (as set elsewhere) when executing a carriage return
(Bilgisayar) Often abbreviated LF, a line feed is a code that moves the cursor on a display screen down one line. In the ASCII character set, a line feed has a decimal value of 10. On printers, a line feed advances the paper one line. Some printers have a button labeled LF that executes a line feed when pressed. (Note, however, that the printer must be in off-line mode to execute a line feed.)
Part of the normal behavior of pressing the Enter key on a keyboard that causes the cursor to go to the beginning of the next line In Telnet, this behavior sometimes needs to be turned off, resulting in an option to have a carriage return (for example, the Enter key) either with or without a line feed
Sending the Line Feed control character to the printer causes the print head to advance one line On some printers it also causes the print head to return to the left of the carriage