CARDFILE.EXE CLIPBRD.EXE CLOCK.EXE CONTROL.EXE CVTPAINT.EXE MSDOS.EXE MSDOSD.EXE NOTEPAD.EXE PAINT.EXE REVERSI.EXE TERMINAL.EXE WRITE.EXE Legal conflict with Apple Main article:  Apple v. Microsoft On 17 March 1988,  Apple   filed suit against Microsoft  and  Hewlett-Packard , accusing them of violating copyrights Apple held on the Macintosh System Software [ 1 ] . Apple