FreeBSD 1.1 under -current :-)

[Garrett Wollman]

<<On Fri, 6 Feb 2004 01:49:52 -0800 (PST), Julian Elischer <julian at elischer.org> said:

> jules# ktrace ./mkdir -p /tmp/xx/xx
> mkdir: : No such file or directory

FreeBSD 1.x had a bug in which the pathname "" would be treated the
same as ".".  Some of the 1.x utilities had bugs which depended on
this bug in order to function.  This was fixed in 2.x IIRC.

-GAWollman