I think it does, insofaras OSs feel free to just fuck with the contents of files they think are text, replacing newlines willy-nilly. Files not identified as text are safe from such automatic tampering.
I've never seen this behaviour at an OS level. This seems like an editor issue, and binary files are not exempt from being messed up by a slightly incompatible editor, far from it.
> In text mode, carriage return-line feed (CRLF) combinations are translated into single line feed (LF) characters on input, and LF characters are translated to CRLF combinations on output.
