Mark Bixby found out how to create /dev/null. Good stuff !

Now, /dev/null seems to have an interesting feature: I can use it for input and
redirection, but not for copying to:

        cp /dev/null blah
        rmdir blah 2>/dev/null

work as expected, but

        cp blah /dev/null

returns:

        cp: Error copying file blah to /dev/null: Implementation-defined error

Of course it's a pointless thing to do, but why should it not work ?
The silly thing is that I can write to /dev/null from a C program with no trouble.

        Chris