>> The smallest meaningful program for MS-DOS was exactly 2 bytes ... > Somewhat more meaningful was "INT 19h" (CD 19) ... I seem to remember the smallest MS-

>> The smallest meaningful program for MS-DOS was exactly 2 bytes ... > Somewhat more meaningful was "INT 19h" (CD 19) ... I seem to remember the smallest MS-DOS program to be CD 20h saved as a `.com`.