Can you tell what this field is and why do you want access it?

>How do I store or retrive information in fields that are marked with the flags "sys+bin", (0x01 + 0x04) as specified in vfp help:
>
>18 Field Flags:
>0x01 System Column (not visible to user)
>0x02Column can store null values
>0x04Binary column (for CHAR and MEMO only).
>
>If I try to display the contents with the sintax: ? table.field1 I receive the message "Variable 'xxxx' is not found".
>
>Thanks in advance.