A "Line Feed" (LF) is a control character in computing that moves the cursor down to the next line without returning to the beginning of the line. It is commonly represented by the ASCII code 10 and is used in various programming languages and text formats to create new lines in text files. In many operating systems, such as Unix and Linux, the line feed character is used as the standard newline character. In contrast, Windows systems typically use a combination of a carriage return (CR) and line feed (LF) to signify a new line, represented as CRLF.