Syntax of the BACKDS command

>>-BACKDS--dsname--+--------------------+----------------------->
                   '-TARGET(-+-DASD-+-)-'   
                             '-TAPE-'       

>--+-------------------------------------------------------------------------+-->
   '-NEWNAME(newdsname)-+-----------------------------------+-| Fragment A |-'   
                        '-DATE(yyyy/mm/dd)-+--------------+-'                    
                                           '-TIME(hhmmss)-'                      

>--+----------------------------------------------------+------->
   '-CC(-+-+-PREFERRED----+-----+-+-+-LOGICALEND-+--+-)-'   
         | '-ANYPREFERRED-'     | | '-LE---------'  |       
         +-+-CACHEPREFERRED-+---+ +-+-PHYSICALEND-+-+       
         | '-CPREF----------'   | | '-PE----------' |       
         +-+-VIRTUALPREFERRED-+-+ '-PHYSICALEND-----'       
         | '-VPREF------------' |                           
         +-+-REQUIRED----+------+                           
         | '-ANYREQUIRED-'      |                           
         +-+-CACHEREQUIRED-+----+                           
         | '-CREQ----------'    |                           
         +-+-VIRTUALREQUIRED-+--+                           
         | '-VREQ------------'  |                           
         '-STANDARD-------------'                           

>--+----------------+--+----------------+----------------------->
   '-UNIT(unittype)-'  '-VOLUME(volser)-'   

>--+-----------------------+-----------------------------------><
   '-+-RETAINDAYS-+-(days)-'   
     '-RD---------'            

A: NEWNAME Optional Parameters

|--+--------------------+--------------------------------------->
   |          .-YES-.   |   
   '-SPHERE-(-+-----+-)-'   
              '-NO--'       

>--+-------------------------------------+----------------------|
   '-+-GENVSAMCOMPNAMES-+--(--+-YES-+--)-'   
     '-GVCN-------------'     '-NO--'