casdup [/res-name]
       [/a|/b|/x]
       [/c]
       [/d]
       [/ffile-name]
       [/ifile-name]
       [/l]
       [/n]
       [/mxx{,xx}...]
       [/pnn{,nn}...]
       [/snnnnnn]
       [/w]
       [/0]
       [/1]
       [/2]
       [/3]
       [/4]
       [aux]  
               	 | /res-name | Name of the enterprise server that owns the dump. Defaults to ESDEMO | 
| /a | Use the A data set (default) | 
| /b | Use the B data set | 
| /x | Use the X data set (for external dumps produced by casdump /d) | 
| /c | Display only the application program information entries | 
| /d | Display module IDs | 
| /ffile-name | The name of the output formatted dump file | 
| /ifile-name | The name of the input trace file. Overrides /a, /b, /r, /x and aux | 
| /l | List summary information only | 
| /n | Omit page headers | 
| /mxx{,xx}... | The module IDs to be included in the trace | 
| /pnn{,nn}... | The process IDs to be included in the trace | 
| /snnnnnn | Split output after every nnnnnn lines | 
| /w | Wide trace format | 
| /0 | Module/transaction trace | 
| /1 | /0 level trace plus API | 
| /2 | /1 level trace plus RTS and EXTFH trace | 
| /3 | All formatted trace | 
| /4 | All trace (default) | 
| aux | Format an auxiliary trace dump data set. The default is that a system dump is formatted | 
You must have created a system dump or auxiliary trace before you can issue casdup.
Comments:
You can use a dash (-) before a parameter as an alternative to a forward slash (/).