{C} > ls

 Directory of C:\Documents and Settings\Administrator\My Documents\tmp

[.]        [..]       test.txt
               1 File(s)              0 bytes

{C} > xcopy "c:Documents and Settings\Administrator\My Documents\tmp\test.txt" "c:Documents and Settings\Administrator\My Documents\tmp\foo\"
File not found - test.txt
0 File(s) copied

{C} > xcopy "c:\Documents and Settings\Administrator\My Documents\tmp\test.txt" "c:\Documents and Settings\Administrator\My Documents\tmp\foo\"
C:\Documents and Settings\Administrator\My Documents\tmp\test.txt
1 File(s) copied

{C} > ls

 Directory of C:\Documents and Settings\Administrator\My Documents\tmp

[.]        [..]       [foo]     test.txt
               1 File(s)              0 bytes

{C} > ls fool

 Directory of C:\Documents and Settings\Administrator\My Documents\tmp\foo

[.]        [..]       test.txt
               1 File(s)              0 bytes