The format of filename

[Neil Cerutti]

There's no "zip" in the "baz" directory, so let's copy it
there:

C:\temp>copy foo/bar/zip foo/baz
foo\zip
Overwrite foo\zip? (Yes/No/All): y
The file cannot be copied onto itself.
0 file(s) copied.

What the [expletive]!? Well, there's a "zip" in our temp
directory, but no "pip". How about we try copying "pip" to the
"baz" directory instead while keeping the same syntax as above?

C:\temp>copy foo/bar/pip foo/baz
The syntax of the command is incorrect.

BLOODY MADNESS!

Some OS programmer doesn't seem to have graduated from their
CompSci program...

It comes from every DOS command traditionally doing it's own path
globbing and unglobbing since the shell doesn't do it. You would
think that a library would've been available to DOS programmers
to unify that procedure, but apparently not.