-C

Display the program copyright message and execute the command. 

-u

Display the program usage message only. 

-V

Display the program version number and execute the command. 

-a

Display the .Adesktop file.

-h

Display the header information. 

-i

Display the .Idesktop file.

volume

Specify the relative or absolute path to the directory that serves as the root of the Macintosh volume whose desktop database you want to query.