IOU Disk IO Usage (ReadWrite/Write/Read)
IOU Disk IO Usage (as from BS2000 V11.0)
This User Option indicates to which operation the file's IO Performance attribute (IO-Performance, see above) refers.
RW: The performance attribute refers to both read and write operations.
W: The performance attribute refers only to write operations.
R: The performance attribute refers only to read operations.
Selection parameter: =RW | =W | =R