The term CRLF refers to Carriage Return (ASCII 13, \r ) Line Feed (ASCII 10, \n ). They're used to note the termination of a line, however, dealt with differently in today's popular Operating Systems.

What does CRLF mean in notepad?

2. CR LF means "Carriage Return, Line Feed" - it's a DOS hangover from the olden days from when some devices required a Carriage Return, and some devices required a Line Feed to get a new line, so Microsoft decided to just make a new-line have both characters, so that they would output correctly on all devices.

Why does Windows still use CRLF?

Operating systems in the late 70s all used CR LF together literally because they were interfacing with typewriters/printers on the daily. Windows uses CRLF because DOS used CRLF because CP/M used CRLF because history. Mac OS used CR for years until OS X switched to LF.