The System Request menu in IBM AS/400 allows local users to list valid user accounts by viewing the object names that are type USRPRF.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Os_400 | Ibm | v4r2 (including) | v4r2 (including) |
| Os_400 | Ibm | v4r3 (including) | v4r3 (including) |
| Os_400 | Ibm | v4r4 (including) | v4r4 (including) |
| Os_400 | Ibm | v4r5 (including) | v4r5 (including) |
| Os_400 | Ibm | v5r1 (including) | v5r1 (including) |