c:\test>dir fred
15/09/2011  16:09                 6 fred

c:\test>dir /T:C fred
15/09/2011  16:09                 6 fred

c:\test>dir /T:A fred
15/09/2011  16:09                 6 fred

c:\test>del fred

c:\test>echo . > fred

c:\test>dir fred
20/09/2011  14:41                 4 fred

c:\test>dir /T:C fred
15/09/2011  16:09                 4 fred