What's the deal with those reserved filenames like NUL and CON?

Raymond Chen October 22, 2003 Oct 22, 2003 10/22/03

Set the wayback machine to DOS 1.0. DOS 1.0 didn't support subdirectories, lowercase, or filenames longer than 8.3. When you ran the assembler (or compiler if you were really fancy) the conversation went something like this: A>asm foo    the ".asm" ...