The WRITE JOURNALNUM function is supported.
| Operand | Support | 
|---|---|
| FROM (data-area) | Full | 
| JFILEID (data-value) | Full | 
| JOURNALNUM (data-value) | Full | 
| JTYPEID (data-value) | Full | 
| LENGTH (data-value) | Full | 
| NOSUSPEND | Full | 
| PFXLENG (data-value) | Full | 
| PREFIX (data-area) | Full | 
| REQID (data-area) | Full | 
| STARTIO | Full | 
| WAIT | Full |